There is a wire, it takes (1/40) hours to cut it into 2 sections, how many hours will it take to cut it into 5 sections?
有一根电线，把它截成2段需要(1/40)小时，那么截成5段需要多少小时．
<gadget id="calculator">1 / 40</gadget>
<output>1/40 = around 0.025</output>

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

<gadget id="calculator">(1/40) / 1</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">(1/40) * 4</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>