A shirt sells for 100 yuan, and the ratio between the price of a pair of trousers and the price of the shirt is 3:2. How much is the price of these trousers?
一件衬衣售价为100元，一条长裤的价钱和这件衬衣的价钱之比是3：2．这条长裤售价是多少元？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">100 / (2/5)</gadget>
<output>250</output>

<gadget id="calculator">250 - 100</gadget>
<output>150</output>

<result>150</result>