There are two boxes of apples with a weight of 43 kg. The weight of each box is 1.5 kg. What is the weight of each box of apples?
有两箱苹果连箱重43千克，已知箱重1.5千克，每箱苹果重多少千克．
<gadget id="calculator">1.5 * 2</gadget>
<output>3</output>

<gadget id="calculator">43 - 3</gadget>
<output>40</output>

<gadget id="calculator">40 / 2</gadget>
<output>20</output>

<result>20</result>