Uncle Wang bought a bicycle at a discounted price of 15%, and actually paid 357 yuan. How much is the original price of this bicycle?
王叔叔以八五折的优惠价买了一辆自行车，实际付了357元．这辆自行车原价是多少元．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">357 / (17/20)</gadget>
<output>420</output>

<result>420</result>