The students of Experimental Primary School planted trees in Linshan Park. They have planted 12 rows, 25 trees in each row, and there are 125 trees left. How many trees will be planted in total?
实验小学的同学们到临山公园植树，已经种了12行，每行25棵，还剩下125棵，一共要植树多少棵？
<gadget id="calculator">12 * 25</gadget>
<output>300</output>

<gadget id="calculator">300 + 125</gadget>
<output>425</output>

<result>425</result>