A pair of trousers is 25 yuan cheaper than a jacket. A pair of trousers is (2/3) the price of a top, how much is a top?
一条裤子比一件上衣便宜25元．一条裤子是一件上衣价格的(2/3)，一件上衣多少元？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25 / (1/3)</gadget>
<output>75</output>

<result>75</result>