Vegetable farmers are going to pack the picked tomatoes to the market. If each box contains 24 kilograms, it can be packed into 35 boxes. If each box contains 20 kilograms, how many boxes should the vegetable farmers prepare? (Column comprehensive formula solution)
菜农们准备把摘下的西红柿装箱运往市场，如果每箱装24千克，可以装成35箱，如果每箱装20千克，菜农们应该准备多少只箱子？(列综合算式解答)
<gadget id="calculator">35 / 20</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">24 * (7/4)</gadget>
<output>42</output>

<result>42</result>