The school bought 5 chairs and 3 tables for a total of 310 yuan, 80 yuan for each table, how much is each chair?
学校买5把椅子和3张桌子共花310元，每张桌子80元，每把椅子多少元？
<gadget id="calculator">80 * 3</gadget>
<output>240</output>

<gadget id="calculator">310 - 240</gadget>
<output>70</output>

<gadget id="calculator">70 / 5</gadget>
<output>14</output>

<result>14</result>