A refrigerator, after a 10% discount, is 320 yuan less than the original price. How much is the original price of this refrigerator?
一台冰箱，打九折后，比原价少320元．这台冰箱原价多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">320 / (1/10)</gadget>
<output>3_200</output>

<result>3_200</result>