what is ( 25 ^ 7 + 25 ) / 25 ?
"( 25 ^ 7 + 25 ) / 25 = 25 * ( 25 ^ 6 + 1 ) / 25 = 25 ^ 6 + 1 clearly this is a number which ends with a 6 in the units place . the answer is a ."
divide(add(power(25, 7), 25), 25)