Mom buys a set of clothes for 360 yuan, the price of the jacket is 80% of the trousers, how much is the trousers?
妈妈买一套衣服用去360元，上衣的价格是裤子的80%，裤子多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 + (4/5)</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">360 / (9/5)</gadget>
<output>200</output>

<result>200</result>