carpenter saws a 24-meter-long wooden bar into 3-meter-long pieces. It takes 5 minutes for each cut. How many minutes does it take to complete the sawing?
一个木工把一根长24米的木条锯成3米长的小段，每锯断一次要用5分钟，锯完共需要多少分钟？
<gadget id="calculator">24 / 3</gadget>
<output>8</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">7 * 5</gadget>
<output>35</output>

<result>35</result>