A refrigerator is priced at 3,600 yuan after a 25% discount. How much is the original price of this refrigerator?
一台冰箱打七五折后售价为3600元，这台冰箱原价是多少钱？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3_600 / (3/4)</gadget>
<output>4_800</output>

<result>4_800</result>