The store buys a batch of children's shoes at a price of 8.7 yuan per pair. When the remaining (2/5) of the shoes are sold, the full cost will be recovered. What is the price of each pair of these children's shoes?
商店以每双8.7元的价格购进一批童鞋，当卖到还剩这批鞋的(2/5)时，正好收回全部成本，这批童鞋每双的售价是多少元？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">8.7 / (3/5)</gadget>
<output>14.5</output>

<result>14.5</result>