Mom buys a set of clothes for 990 yuan, and the price of the jacket is the price of the trousers (5/6). How much is a jacket?
妈妈买一套衣服用去990元，上衣的价格是裤子的(5/6)，一件上衣多少元？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 + (5/6)</gadget>
<output>11/6 = around 1.833333</output>

<gadget id="calculator">990 / (11/6)</gadget>
<output>540</output>

<gadget id="calculator">990 - 540</gadget>
<output>450</output>

<result>450</result>