To process a batch of parts, the ratio of the number of parts processed in the first half of the time to the number of parts processed in the second half of the time is 3:2, then the time required to process the first half of the parts is the time required to process the second half of the parts
加工一批零件，前一半时间加工的零件个数和后一半时间加工的个数之比是3：2，则加工前一半零件所需的时间是加工后一半零件所需时间的多少
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) * 5</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">2 - (5/6)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">5 / (7/6)</gadget>
<output>30/7 = around 4.285714</output>

<gadget id="calculator">(1/6) * (30/7)</gadget>
<output>5/7 = around 0.714286</output>

<result>5/7 = around 0.714286</result>