Mingming went to the street to buy clothes on Sunday, and spent 75 yuan to buy a pair of trousers and a jacket. Knowing that the jacket is 15 yuan more expensive than the trousers, how much did you spend on the jacket?
明明星期天上街买衣服，花75元钱买了一条裤子和一件上衣，已知上衣比裤子贵15元，明明买上衣花多少元．
<gadget id="calculator">75 + 15</gadget>
<output>90</output>

<gadget id="calculator">90 / 2</gadget>
<output>45</output>

<result>45</result>