A shoe store sold 1/5 of the total number of shoes in the first week, and 3/8 of the total in the second week. A total of 575 pairs were sold in two weeks. How many pairs of shoes are there in total in the shoe store?
某鞋店第一周卖出的鞋占总数的(1/5)，第二周卖出总数的(3/8)，两周一共卖出575双．鞋店里一共有多少双鞋？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(1/5) + (3/8)</gadget>
<output>23/40 = around 0.575</output>

<gadget id="calculator">575 / (23/40)</gadget>
<output>1_000</output>

<result>1_000</result>