The farm harvested 260 hectares of wheat, and 156 hectares were harvested in the previous 3 days. According to this calculation, how many days will it take to harvest the remaining wheat? (Answer with proportional knowledge)
农场收割260公顷小麦，前3天收割了156公顷．照这样计算，要收割完剩下的小麦还需要几天？(用比例知识解答)
<gadget id="calculator">260 - 156</gadget>
<output>104</output>

<gadget id="calculator">156 / 3</gadget>
<output>52</output>

<gadget id="calculator">104 / 52</gadget>
<output>2</output>

<result>2</result>