project is completed in 10 days, and ((())/(())) of this project is completed every day on average. How many days will it take to complete (3/5) of this project.
一项工程10天完成，平均每天完成这项工程的((())/(()))，完成这项工程的(3/5)需要多少天．
<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>