In the "Home Appliances to the Countryside" campaign, farmers can enjoy government subsidies for purchasing home appliances. Uncle Li bought a Gree air conditioner with an original price of 2,400 yuan, which was 13% cheaper. How much cheaper?
在"家电下乡"活动中农民购买家电可以享受政府补贴．李大伯购买一台原价2400元的格力空调，便宜了13%，便宜了多少元？
<gadget id="calculator">13 / 100</gadget>
<output>13/100 = around 0.13</output>

<gadget id="calculator">2_400 * (13/100)</gadget>
<output>312</output>

<result>312</result>