Last semester, Wang Ling's math score was 75. With the help of the teacher and her continuous efforts, her math score has increased by 20% this semester. What is her math score this semester?
上学期王玲的数学成绩是75分，在老师的帮助和自己不断努力下，这学期她的数学成绩提高了二成，这学期她的数学成绩是多少分？
<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">75 * (6/5)</gadget>
<output>90</output>

<result>90</result>