A TV set used to cost 2,500 yuan each, but now the price is reduced (1/10), how much is it now?
一种电视机原来每台2500元，现在降价(1/10)，现在每台多少元？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">2_500 * (9/10)</gadget>
<output>2_250</output>

<result>2_250</result>