Xiaohong’s house has added a dining table and four chairs. The total cost is 2220 yuan, and each chair is 235 yuan. How much is a chair cheaper than a dining table? (column equation solution)
小红家新添了一张餐桌四把椅子，一共花了2220元，每把椅子235元，一把椅子比餐桌便宜多少钱？(列方程解答)
<gadget id="calculator">235 * 4</gadget>
<output>940</output>

<gadget id="calculator">2_220 - 940</gadget>
<output>1_280</output>

<gadget id="calculator">1_280 - 235</gadget>
<output>1_045</output>

<result>1_045</result>