The current selling price of a computer is 3660 yuan, which is 25% lower than that of the same period last year. How much was the selling price of this computer in the same period last year?
一种计算机现在的售价是3660元，比去年同期降价二成五．去年同期这种计算机的售价是多少元？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3_660 / (3/4)</gadget>
<output>4_880</output>

<result>4_880</result>