 <translate> Dave bought 8 books about animals, 6 books about outer space, and 3 books about trains to keep him busy over the holidays. Each book cost $6. How much did Dave spend on the books? Give me reasons, before answering the question <yor> Dave ra ìwé mẹ́jọ nípa àwọn ẹranko, mẹ́fà nípa òfuurufú, àti ìwé mẹ́ta nípa ọkọ̀ ojú irin kí ọwọ́ rẹ̀ lè dí lásìkò ọdún. Owó tó wà nínú ìwé kọ̀ọ̀kan jẹ́ dọ́là mẹ́fà. Owó wo ni Dave ná sórí ìwé náà? Sọ ìdí tó o fi ṣe é, kó o tó dáhùn ìbéèrè mi. 