A batch of parts was originally planned to process 50 parts per hour, and it took 6 hours to complete; after the technological innovation, it actually took only 5 hours to complete, how many parts are actually processed per hour? (Solve with ratio)
一批零件，原计划每小时加工50个，6个小时完成；技术革新后，实际只用了5小时就完成了，实际每小时加工多少个零件？(用比例解)
<gadget id="calculator">50 * 6</gadget>
<output>300</output>

<gadget id="calculator">300 / 5</gadget>
<output>60</output>

<result>60</result>