Xiaoming planted 100 trees, Xiaohong planted 80 more trees than Xiaoming, how much more trees did Xiaohong plant than Xiaoming
小明植树100棵，小红植树比小明多80棵，小红植树棵数比小明多多少
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>