A, B, and C plant a total of 85 trees. A plants one more tree than B. The ratio of C to B's tree planting is 3:2. How many trees does A plant?
甲、乙、丙三人共植树85棵，甲比乙多植1棵，丙与乙植树的比是3：2，甲植树多少棵？
<gadget id="calculator">85 - 1</gadget>
<output>84</output>

<gadget id="calculator">2 + 2 + 3</gadget>
<output>7</output>

<gadget id="calculator">84 / 7</gadget>
<output>12</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">24 + 1</gadget>
<output>25</output>

<result>25</result>