Three telephones are 774 yuan, and a camera is 469 yuan. How much cheaper is it to buy a telephone than a camera?
三部电话机774元，一台照相机469元，买一部电话机比一台照相机便宜多少元？
<gadget id="calculator">774 / 3</gadget>
<output>258</output>

<gadget id="calculator">469 - 258</gadget>
<output>211</output>

<result>211</result>