There are 150 kilograms of cucumbers in the vegetable market. The ratio of the weight of cucumbers to the weight of tomatoes is 3:5. How much is the weight of tomatoes?
菜市场有黄瓜150千克，黄瓜重量和西红柿重量的比是3：5，西红柿重量是多少千克？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">150 / (3/5)</gadget>
<output>250</output>

<result>250</result>