what is the average of 12 , 13 , 14 , 51 , 52 , 53 , 1 , 11.5 , 1 , 1.20 , and 11.25 ?
"add 12 , 13 , 14 , 51 , 52 , 53 , 1 , 11.5 , 1,12 , and 11.25 grouping numbers together may quicken the addition sum = 231.75 231.75 / 11 = 21.06 a"
divide(add(add(add(add(add(add(12, 13), 14), 51), 52), 53), 12), add(const_3, const_4))