There are 26 bicycles and tricycles with 60 wheels. How many tricycles are there?
自行车和三轮车共有26辆，共有60个轮子，三轮车有多少辆．
<gadget id="calculator">3 * 26</gadget>
<output>78</output>

<gadget id="calculator">78 - 60</gadget>
<output>18</output>

<gadget id="calculator">3 - 2</gadget>
<output>1</output>

<gadget id="calculator">18 / 1</gadget>
<output>18</output>

<gadget id="calculator">26 - 18</gadget>
<output>8</output>

<result>8</result>