The store sells 18 pairs of leather shoes in the morning and 23 pairs in the afternoon, earning 425 yuan more in the afternoon than in the morning. How much is each pair of leather shoes?
商店上午卖出皮鞋18双，下午卖出皮鞋23双，下午比上午多收入425元，每双皮鞋多少元？
<gadget id="calculator">23 - 18</gadget>
<output>5</output>

<gadget id="calculator">425 / 5</gadget>
<output>85</output>

<result>85</result>