A video camera with an original price of 8,000 yuan, after a 15% discount, how much will it cost
一部原价8000元的摄像机，打八五折后，还需要多少元
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">8_000 * (17/20)</gadget>
<output>6_800</output>

<result>6_800</result>