A store buys a batch of shoes, each pair of which costs 6.5 yuan and sells for 7.4 yuan. When only 5 pairs are left, the profit is 44 yuan. Then how many pairs are there in this batch of shoes?
商店购进一批鞋，每双进价6.5元，售价7.4元，当卖到只剩下5双时，巳获利44元，那么这批鞋共有多少双．
<gadget id="calculator">44 + 32.5</gadget>
<output>76.5</output>

<gadget id="calculator">76.5 / 0.9</gadget>
<output>85</output>

<gadget id="calculator">85 + 5</gadget>
<output>90</output>

<result>90</result>