Guys I'm serious if I don't get my math review done right now like my brother will kill me so please can you guys find the answer of a long division problem that has an answer of three remainder 12

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.