A jacket is 90 yuan, which is 1/2 of the price of trousers. How much is a suit of clothes?
一件上衣90元，是裤子价钱的(1/2)，一套衣服多少元？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">90 / (1/2)</gadget>
<output>180</output>

<gadget id="calculator">180 + 90</gadget>
<output>270</output>

<result>270</result>