store buys apples and bananas. After selling 26 kg of apples in the morning, the bananas are 1.5 times the weight of the apples. After selling 28 kg of bananas in the afternoon, the remaining apples are 3 times the weight of the remaining bananas. Question: How many kilograms of apples are there initially?
某商店买进苹果和香蕉两种水果，上午卖出26千克苹果后，香蕉是苹果重量的1.5倍，下午卖出28千克香蕉后，剩下的苹果是剩下香蕉重量的3倍．问：最初有多少千克苹果？
<gadget id="calculator">175 / 3.5</gadget>
<output>50</output>

<result>50</result>