The 5 classes of the fourth grade planted a total of 708 trees, the first 4 classes planted 109 trees in each class, and how many trees were planted in the fifth class?
四年级5个班共植树708棵，前4个班每班植树109棵，五班植树多少棵？
<gadget id="calculator">109 * 4</gadget>
<output>436</output>

<gadget id="calculator">708 - 436</gadget>
<output>272</output>

<result>272</result>