The harvester needs to harvest a 14-hectare wheat field, and harvested 1.05 hectares in the first 3 hours. With this efficiency, how many hours will it take to harvest the wheat field? (Solve with ratio)
收割机要收割一块14公顷的小麦地，头3小时收割了1.05公顷，照这样的效率，收割完这块小麦地一共要多少小时？(用比例解)
<gadget id="calculator">1.05 / 3</gadget>
<output>0.35</output>

<gadget id="calculator">14 / 0.35</gadget>
<output>40</output>

<result>40</result>