The third-grade students participated in tree planting. Girls planted 128 trees. If boys planted 8 more trees, boys would plant as many trees as girls. How many trees were planted by boys and girls?
三年级学生参加植树，女生种树128棵，男生如果再种8棵，那么男生种的树就和女生一样多，男女生共种树多少棵？
<gadget id="calculator">128 - 8</gadget>
<output>120</output>

<gadget id="calculator">120 + 128</gadget>
<output>248</output>

<result>248</result>