# 411042004 四則運算Arithmetic 3/15 ```python= number1=int(input("Please input number1 ")) number2=int(input("Please input number2 ")) print(number1+number2) sc =number1+number2 print('sc', sc, 'round(sc,2)', round(sc, 2)) print(number1-number2) sc =number1-number2 print('sc', sc, 'round(sc,2)', round(sc, 2)) print(number1*number2) sc =number1*number2 print('sc', sc, 'round(sc,2)', round(sc, 2)) print(number1/number2) sc = number1/number2 print('sc', sc, 'round(sc,2)', round(sc, 2)) ```