50 + 5 * 12 / (180/3) = ? Select: A) 23 B) 78 C) 27 D) 51 E) 81

Rationale: "explanation : 50 + 5 * 12 / ( 180 / 3 ) = 50 + 5 * 12 / ( 60 ) = 50 + ( 5 * 12 ) / 60 = 50 + 1 = 51 . answer : d"
Answer: D