The shop sells 28 pairs of leather shoes in the morning and 32 pairs of leather shoes in the afternoon, earning 436 yuan more in the afternoon than in the morning. How much is each pair of shoes?
商店上午卖出皮鞋28双，下午卖出皮鞋32双，下午比上午多收入436元．每双皮鞋多少钱？
<gadget id="calculator">32 - 28</gadget>
<output>4</output>

<gadget id="calculator">436 / 4</gadget>
<output>109</output>

<result>109</result>