The three classes of the fourth grade planted a total of 186 trees. According to this calculation, if the other two classes are counted, how many trees were planted in the fourth grade?
四年级三个班共植树186棵，照这样计算，如果算上另外两个班，四年级共植树多少棵？
<gadget id="calculator">186 / 3</gadget>
<output>62</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">62 * 5</gadget>
<output>310</output>

<result>310</result>