how many hours in one year ?
the day has 24 hours , and the year contains 365 days . so the hours exist in one year is the multiplication of 24 by 365 . so the answer = 365 * 24 = 8760 hours so the correct answer is d
multiply(add(divide(const_3600, const_10), divide(const_10, const_2)), multiply(multiply(const_4, const_3), const_2))