Plan to make 10 parts in 5 hours, how many of these parts are made in 3 hours
计划5小时做10个零件，3小时做了这些零件的多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) * 3</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>