$-=$ zyBooks

The following equation estimates the average calories burned for a person when exercising, which is based on a scientific journal article $($source$)$:

Write a program using inputs age $($years$),$ weight $($pounds$),$ heart rate $($beats per minute$),$ and time $($minutes$),$ respectively. Output the average calories burned for a person.

Output each floating$-$point value with two digits after the decimal point, which can be achieved by executing

cout $$ fixed $$ setprecision$(2)$; once before all other cout statements.

Ex: If the input is:

$49,155,148,60$