Uncle Wang bought a laptop computer for 4,420 yuan during the May Day promotion, with a 15% discount on all items. How much is the original price of this laptop computer?
王叔叔在五•一节优惠活动中购买一台手提电脑4420元，物品一律八五折，这台手提电脑原价多少钱？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">4_420 / (17/20)</gadget>
<output>5_200</output>

<result>5_200</result>