A jacket is 35 yuan more expensive than a pair of trousers, and the price of a pair of trousers is 2/7 of a jacket. How much is a jacket?
一件上衣比一条裤子贵35元，一条裤子的价格是一件上衣的(2/7)，一件上衣多少元？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 - (2/7)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">35 / (5/7)</gadget>
<output>49</output>

<result>49</result>