Refrigerators in a shopping mall are now only selling for 3,600 yuan, which is 40% lower than when they first went on the market. How much was each refrigerator when it first went on the market?
某商场的电冰箱现在只卖3600元，比刚上市时降低了40%，刚上市时，每台冰箱多少元？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">3_600 / (3/5)</gadget>
<output>6_000</output>

<result>6_000</result>