computer whose original price is 2,800 yuan is now on sale with a 25% discount. How much is it cheaper now?
一种电脑，原价2800元，现在七五折出售，现在便宜多少元？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2_800 * (3/4)</gadget>
<output>2_100</output>

<gadget id="calculator">2_800 - 2_100</gadget>
<output>700</output>

<result>700</result>