A teacup is 3.4 yuan, and the total cost of buying 3 teapots and 3 teacups is 86.7 yuan. How much is each teapot?
一个茶杯3.4元，买3把茶壶和3个茶杯一共用了86.7元，每把茶壶多少元？
<gadget id="calculator">3.4 * 3</gadget>
<output>10.2</output>

<gadget id="calculator">86.7 - 10.2</gadget>
<output>76.5</output>

<gadget id="calculator">76.5 / 3</gadget>
<output>25.5</output>

<result>25.5</result>