It is planned to finish 4 parts in 5 hours, and how much to make this batch of parts in 3 hours
计划5小时做完4个零件，3小时做这批零件的多少
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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