Shuangxin Primary School planted 120 trees, 40% of which were planted by the sixth graders, and (1/3) were planted by the fifth graders. How many trees did the two grades plant in total?
双新小学植了120棵树，其中40%是六年级植的，(1/3)是五年级植的．两个年级一共植树多少棵？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(2/5) + (1/3)</gadget>
<output>11/15 = around 0.733333</output>

<gadget id="calculator">120 * (11/15)</gadget>
<output>88</output>

<result>88</result>