A piece of wood is 10 meters long, and it takes 2 minutes to saw each time. Saw a section every 5 meters, how many times can it be finished.
一根木料长10米，每锯一次用2分钟．每5米锯一段，锯多少次才能锯完．
<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<result>1</result>