Divide a piece of wood into 5 equal parts. It takes 8 minutes to saw the next section, how many minutes will it take to complete the saw.
把一根木头平均分成5段．每锯下一段需要8分钟，锯完共要花多少分钟．
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

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

<result>32</result>