A 5-meter-long rope, cut off (2/5) for the first time, and (1/10) of the first time for the second time, how many meters is cut for the second time?
一根5米长的绳子，第一次剪去(2/5)，第二次剪去第一次的(1/10)，第二次剪去多少米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">5 * (2/5) * (1/10)</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>