Last year there were 50 students enrolled in a calligraphy class. This year, there was a 20% increase in enrollment. How many students are enrolled this year in the calligraphy class?
There was an increase of 50 x 20/100 = 
<gadget id="calculator">50*20/100</gadget>
<output>10</output>
10 students in enrollment.
So, there is a total of 50 + 10 = 
<gadget id="calculator">50+10</gadget>
<output>60</output>
60 students who were enrolled this year.

<result>60</result>