In the electrical store, all products were reduced in price by 10%. Uncle Wang bought a washing machine and a refrigerator, plus a delivery fee of 20 yuan, which cost a total of 5240 yuan. If the price is not reduced, how much will Uncle Wang spend on these two items?
电器商城店庆，所有商品均降价一成，汪叔叔买了一台洗衣机和一台电冰箱，加上20元的送货上门费一共花了5240元．如果不降价，汪叔叔买这两件商品要花多少钱？
<gadget id="calculator">5_240 - 20</gadget>
<output>5_220</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">5_220 / (9/10)</gadget>
<output>5_800</output>

<result>5_800</result>