Calculator - MarisaOJ: Marisa Online Judge

Design a calculator capable of performing four operations: - Addition

$+$ . - Subtraction

$-$ . - Multiplication

$*$ . - Division

$/$ . with two real numbers

$a, b$ . ### Input - One line containing a real number

$a$ , a character representing the operation, and finally another real number

$b$ . ### Output - Print the result of the operation. Round the result to the third decimal place. If the calculation is invalid, print

$ze$ . ### Constraints -

$-1000 \le a, b \le 1000$ . ### Sample Input:

$4 * 5$

Output:

$20.000$

Topic

Basic

Rating

800

Solution (0)

Solution