The farm harvested wheat and harvested 156 hectares in the first 3 days. Based on this calculation, how many hours will it take to harvest the remaining 260 hectares? (Answer with proportional knowledge)
农场收割小麦，前3天收割了156公顷．照这样计算，要收割完剩下的260公顷，还需要几小时？(用比例知识解答)
<gadget id="calculator">260 * 3</gadget>
<output>780</output>

<gadget id="calculator">780 / 156</gadget>
<output>5</output>

<gadget id="calculator">5 * 24</gadget>
<output>120</output>

<result>120</result>