It takes about 5 minutes to run 1 kilometer, how many minutes will it take to run 5 kilometers at this speed?
跑l千米大约需要5分钟，用这样的速度跑5千米大约需要多少分钟．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">5 / (1/5)</gadget>
<output>25</output>

<result>25</result>