Calculate 7 n / 8 without using division and multiplication operators | JavaScript program to evaluate ceil ( 7 n / 8 ) without using * and / ; Note the inner bracket here . This is needed because precedence of ' - ' operator is higher than ' < < ' ; Driver program to test above function
function multiplyBySevenByEight ( n ) { return ( n - ( n >> 3 ) ) ; } let n = 9 ; document . write ( multiplyBySevenByEight ( n ) ) ;