The teacher and the apprentice have to process 940 parts together, the master processes 100 parts per hour, and the apprentice processes 88 parts per hour. If processing starts at the same time, how many hours can it be completed?
师、徒两人要共同加工940个零件，师傅每小时加工100个零件，徒弟每小时加工88个零件．如果同时开始加工，几小时能完成？
<gadget id="calculator">100 + 88</gadget>
<output>188</output>

<gadget id="calculator">940 / 188</gadget>
<output>5</output>

<result>5</result>