Master Li produced 2690 parts in 5 hours. According to this calculation, how many hours will it take to produce 4842 parts? (proportional solution)
李师傅用5小时生产2690个零件，照这样计算，再生产4842个零件，还需要多少小时？(比例解)
<gadget id="calculator">4_842 * 5</gadget>
<output>24_210</output>

<gadget id="calculator">24_210 / 2_690</gadget>
<output>9</output>

<result>9</result>