The Experimental Primary School planted 60 trees last year, and the number of trees planted this spring is 20% more than last year. How many trees will be planted this spring?
实验小学去年植树60棵，今年春季植树的棵数比去年多20%，今年春季植树多少棵？
<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">60 * (6/5)</gadget>
<output>72</output>

<result>72</result>