First when the program starts list of operations will be displayed and these operation listed with numbers as :
1.Addition
2.Subtraction
3.Multiplication
4.Division
Then the program askes to enter a choice(a choice from the operations) and two numbers. In this case when my choice is 3 and num1=12 and num2=15. The program will check if my choice is equal to 1. Is 3 equal to 1 ? obviously no, then the program goes to the next condition and check if my choice is equal to 2. Is 3 equal to 2? no, then the program goes to the next condition and check if my choice is equal to 3. Is 3 equal to 3 ? its yes. Then the program will do multiplication operation in which result = num1*num2, result = 12*15=180. Then it will display result which contains the result of the multiplication and then program will stop.
Output:
180
Explanation:
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First when the program starts list of operations will be displayed and these operation listed with numbers as :
1.Addition
2.Subtraction
3.Multiplication
4.Division
Then the program askes to enter a choice(a choice from the operations) and two numbers. In this case when my choice is 3 and num1=12 and num2=15. The program will check if my choice is equal to 1. Is 3 equal to 1 ? obviously no, then the program goes to the next condition and check if my choice is equal to 2. Is 3 equal to 2? no, then the program goes to the next condition and check if my choice is equal to 3. Is 3 equal to 3 ? its yes. Then the program will do multiplication operation in which result = num1*num2, result = 12*15=180. Then it will display result which contains the result of the multiplication and then program will stop.
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