machine tool can process 7 parts in 6 minutes, how many parts can be processed in half an hour.
一台机床6分钟加工零件7个，半小时可以加工零件多少个．
<gadget id="calculator">7 / 6</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">(7/6) * 30</gadget>
<output>35</output>

<result>35</result>