Master Wang processes a batch of parts, processing 25 parts per hour, which can be completed in 6 hours. If you process 5 more per hour, how many hours can it be completed?
王师傅加工一批零件，每小时加工25个，6小时可以完成．如果每小时多加工5个，只要几小时可以完成？
<gadget id="calculator">25 + 5</gadget>
<output>30</output>

<gadget id="calculator">6 / 30</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">25 * (1/5)</gadget>
<output>5</output>

<result>5</result>