The fifth-grade students of Dongfang Primary School planted 96 trees on Arbor Day, accounting for 80% of the number of trees planted by the sixth-grade students. So how many trees were planted by the fifth- and sixth-grade students?
东方小学五年级学生在植树节这一天共栽树96棵，正好占六年级学生植树棵数的80%，那么五、六年级学生共植多少棵树？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">96 / (4/5)</gadget>
<output>120</output>

<gadget id="calculator">96 + 120</gadget>
<output>216</output>

<result>216</result>