A piece of wood is 10 meters long, and it is sawn into 5 sections, each sawing takes 8 minutes, how long will it take to saw all of them?
一根木头长10米，把它锯成5段，每锯一次需要8分钟，多长时间全部锯完？
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<result>32</result>