 
 <translate> Give the step-by-step reasoning process and then the final answer. Tom dances 4 times a week for 2 hours at a time and does this every year for 10 years. How many hours did he dance? <hau> Bayyana tsarin tunani mataki-mataki sannan kuma amsar karshe. Tom yana rawa sau 4 a mako na tsawon sa'o'i 2 a lokaci guda kuma yana yin wannan kowace shekara tsawon shekaru 10. Sa'o'i nawa ya yi rawa? 