how many 7 in between 1 to 130 ?
"7 , 17,27 , 37,47 , 57,67 , 70,71 , 72,73 , 74,75 , 76,77 ( two 7 ' s ) , 78 , 79,87 , 97,107 , 117,127 23 7 ' s between 1 to 130 answer : d"
divide(130, multiply(7, 1))