The school bought 24 desks and 30 chairs for a total of 8160 yuan. It is known that the price of a desk is equivalent to the price of 3 chairs, so how much is each chair?
学校买来24张办公桌和30张椅子共用去8160元，已知一张办公桌的价格相当于3把椅子的价格，那么每张椅子多少元？
<gadget id="calculator">24 * 3</gadget>
<output>72</output>

<gadget id="calculator">72 + 30</gadget>
<output>102</output>

<gadget id="calculator">8_160 / 102</gadget>
<output>80</output>

<result>80</result>