It takes 10 minutes to saw a piece of wood of uniform thickness into 5 sections, how many minutes will it take to saw 10 sections at the same speed?
一根粗细均匀的木头，锯成5段要用10分钟，同样的速度，锯成10段，要用几分钟？
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">10 / 4</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">(5/2) * 9</gadget>
<output>45/2 = around 22.5</output>

<result>45/2 = around 22.5</result>