The shopping mall sells 98 pairs of leather shoes in the morning, and each pair can make a profit of 44.1 yuan. It sells 133 pairs of leather shoes in the afternoon, and the profit is 40% of the cost. How much is it?
商场一天上午卖出98双皮鞋，每双可获利44.1元，下午卖出的皮鞋133双，获利润是成本的40%，这一天上下午卖的钱数一样多，每双皮鞋的成本是多少元？
<gadget id="calculator">98 * 44.1</gadget>
<output>4_321.8</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">133 * (2/5)</gadget>
<output>266/5 = around 53.2</output>

<gadget id="calculator">(266/5) - 98</gadget>
<output>-224/5 = around -44.8</output>

<gadget id="calculator">133 + (-224/5)</gadget>
<output>441/5 = around 88.2</output>

<gadget id="calculator">4_321.8 / (441/5)</gadget>
<output>49</output>

<result>49</result>