My father bought a laptop computer worth 8400 yuan two months ago, and now the price of this computer has been reduced (1/4). How much does this computer sell for now?
我爸爸两个月前买了一台8400元的手提电脑，现在这种电脑竟然降价(1/4)．那这种电脑现在卖多少钱？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">8_400 * (1/4)</gadget>
<output>2_100</output>

<gadget id="calculator">8_400 - 2_100</gadget>
<output>6_300</output>

<result>6_300</result>