The students planted trees. The fifth grade students planted 125 trees, and the sixth grade students planted 1.2 times as many trees as the fifth grade. How many trees were planted by the two grades?
同学们去植树，五年级同学共植树125棵，六年级同学植树的棵树是五年级的1.2倍，两个年级共植树多少棵？
<gadget id="calculator">125 * 1.2</gadget>
<output>150</output>

<gadget id="calculator">150 + 125</gadget>
<output>275</output>

<result>275</result>