if an object travels at four feet per second , how many feet does it travel in one hour ?
"speed = 4 feet per second . 1 hour = 60 x 60 seconds = 3600 seconds . total no of feet traveled in 1 hour = 3600 x 4 = 1800 x 10 = 14400 answer d"
multiply(multiply(const_3, const_60), const_60)