The fifth grade students planted 1,200 trees, which is 160 fewer than the sixth grade students who planted 80%. How many trees did the sixth grade students plant?
五年级同学栽树1200棵，比六年级同学栽树棵数的80%还少160棵，六年级同学栽树多少棵？
<gadget id="calculator">1_200 + 160</gadget>
<output>1_360</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_360 / (4/5)</gadget>
<output>1_700</output>

<result>1_700</result>