store sells a kind of leather shoes, 18 pairs of leather shoes are sold in the morning and 23 pairs in the afternoon. Earn 425 yuan more in the afternoon than in the morning. How much is each pair of shoes?
商店出售一种皮鞋，上午售出18双皮鞋，下午售出23双．下午比上午多收入425元．每双皮鞋多少钱？
<gadget id="calculator">23 - 18</gadget>
<output>5</output>

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

<result>85</result>