For a project, if A works alone in 3 days and completes the whole project (1/10), how much does A complete the whole project in 1 day?
一项工程，甲单独做3天完成全部工程的(1/10)，甲1天完成全部工程的多少．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) / 3</gadget>
<output>1/30 = around 0.033333</output>

<result>1/30 = around 0.033333</result>