Carrefour’s Shanghai headquarters mobilized 7,500 boxes of water overnight on the 29th to supply two stores in Wuxi. The number of boxes supplied to Poly Store was from Yongle Store (7/8). How many boxes of pure water did Carrefour’s Shanghai headquarters supply to Yongle Store?
家乐福上海总部在29日连夜调集了7500箱水供应给无锡两家门店，供应给保利店的箱数是永乐店的(7/8)，家乐福上海总部供应给永乐店多少箱纯净水？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 + (7/8)</gadget>
<output>15/8 = around 1.875</output>

<gadget id="calculator">1_500 / (15/8)</gadget>
<output>800</output>

<result>800</result>