 <translate> Reconstruct a question, answer pair from this explanation: The deck is 30 * 40 = 1200 square feet. He pays 3 + 1 = $4 per square foot. So he paid 1200 * 4 = $4800.
 <yor> Ṣe àtúnṣe ìbéèrè kan, dáhùn àwọn méjèèjì láti inú àlàyé yìí: Àpótí náà jẹ́ 30 * 40 = 1200 square feet. Ó san 3 + 1 = $4 fún ẹsẹ̀ tó tóbi. O san 1200 * 4 = $4800. 