Arbor Day is here, and the students are divided into several groups to plant trees. If each group plants 5 trees, there are still 3 trees that have not been planted. After planting, how many trees are there in total?
植树节到了，同学们分成若干小组去种树，如果每个小组种5棵，还有3棵没有种，如果其中两个小组各种4棵，其余各组分别种6棵，则这些树刚好种完，则一共有多少棵树．
<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">7 / 1</gadget>
<output>7</output>

<gadget id="calculator">5 * 7</gadget>
<output>35</output>

<gadget id="calculator">35 + 3</gadget>
<output>38</output>

<result>38</result>