If a batch of parts can be completed in 10 days, then how many days can be completed for this batch of parts (3/5).
做一批零件，10天可以完成，那么多少天可以完成这批零件的(3/5)．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">(3/5) / (1/10)</gadget>
<output>6</output>

<result>6</result>