(48 - 12 x 3 + 9) / (12 - 9 ÷ 3) =?

Given expression = (48 - 12 x 3 + 9) / (12 - 9 ÷ 3)
= (48 - 36 + 9) / (12 - 3)
= 21 / 9
= 7 / 3