a river 5 m deep and 19 m wide is flowing at the rate of 4 kmph the amount of water that runs into the sea per minute is ?
"( 4000 * 5 * 19 ) / 60 = 6333 m 3 answer : b"
divide(multiply(multiply(5, 19), multiply(4, const_1000)), multiply(const_1, const_60))