Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. This is the fomular to calculate bmi \(bmi = \frac{m}{h^2}\). With m is the weight in kilograms and h is the height in meter.
You need to programming a program to calculate bmi.

Two numbers m and h seperated by a space. m is the weight in kilograms and h is the height in centimeter.

\(0 < m < 1000\);
\(0 < h < 2000\)

Only a number is the bmi number. Write as a decimal number with 2 digits after the decimal point.

Input copy	Output copy
70 160	27.34

You can use cout << fixed << setprecision(x) << var; to write the number with digit.
x is the number of digits after the decimal point, var is the variable.
This command use iomanip library, you need to define it before you use.