a dishonest dealer professes to sell goods at the cost price but uses a weight of 896 grams per kg , what is his percent ?
"896 - - - 104 100 - - - ? = > 11.6 % answer : e"
subtract(multiply(divide(const_100, 896), multiply(const_100, multiply(add(const_3, const_2), const_2))), const_100)