harvester completed the task of harvesting grain on 600 square meters of land in 2.4 hours. According to this calculation, how many hours will it take to harvest the grain on a piece of 1500 square meters of land?
一台收割机2.4小时完成了600平方米土地粮食的收割任务．照这样计算，把一块1500平方米的土地粮食收割完，需要几小时？
<gadget id="calculator">600 / 2.4</gadget>
<output>250</output>

<gadget id="calculator">1_500 / 250</gadget>
<output>6</output>

<result>6</result>