Zhang Hua planted 180 trees last year, and the number of trees planted this year is 20% more than last year. How many trees does Zhang Hua plant this year?
张华去年植树180棵，今年的植树棵数比去年多20%．张华今年植树多少棵？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">180 * (6/5)</gadget>
<output>216</output>

<result>216</result>