The price of a certain electrical appliance is 360 yuan after a 10% discount. What is the original price of this electrical appliance?
某电器九折后售价360元，这种电器原价是多少元．
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">360 / (9/10)</gadget>
<output>400</output>

<result>400</result>