Calculate 7 n / 8 without using division and multiplication operators | Python3 program to evaluate 7 n / 8 without using * and / ; Step 1 ) First multiply number by 7 i . e . 7 n = ( n << 3 ) - n Step 2 ) Divide result by 8 ; Driver code
def multiplyBySevenByEight ( n ) : NEW_LINE INDENT return ( ( n << 3 ) - n ) >> 3 ; NEW_LINE DEDENT n = 15 ; NEW_LINE print ( multiplyBySevenByEight ( n ) ) ; NEW_LINE