The store buys a batch of sandals at 13 yuan per pair, and sells them for 14.8 yuan. When there are 5 pairs left, it will make a profit of 88 yuan after deducting all the expenses of buying these sandals. How many pairs of this batch of sandals are there?
商店以每双13元购进一批凉鞋，售价为14.8元，卖到剩下5双时，除去购进这批凉鞋的全部开销外还获利88元，这批凉鞋共有多少双．
<gadget id="calculator">13 * 5</gadget>
<output>65</output>

<gadget id="calculator">88 + 65</gadget>
<output>153</output>

<gadget id="calculator">14.8 - 13</gadget>
<output>1.8</output>

<gadget id="calculator">153 / 1.8</gadget>
<output>85</output>

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

<result>90</result>