The original price of a TV was 3,500 yuan, but now it is 2/7 lower than the original price. How much is the reduction?
一台电视机原来售价是3500元，现在比原来降低了(2/7)，降低了多少元？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">3_500 * (2/7)</gadget>
<output>1_000</output>

<result>1_000</result>