calculate how many seconds it eill take for 4 bells to toll together again , given that they begin to toll together respectively at the intervals of 2 , 5 , 8 and 11 seconds . ?
"lcm of 2 , 5 , 8 and 11 is 440 lcm = 440 answer : a"
multiply(const_3, multiply(8, multiply(2, 5)))