A carpenter saws a 50-meter-long piece of wood into 5 sections. It takes 10 minutes for each saw. How many minutes will it take to complete the saw?
木匠把一根50米长的木头锯成了5段，每锯一次要用10分钟，一共要用几分钟锯完？
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<result>40</result>