Lyssa and Precious took an English proficiency exam. Lyssa answered 20% of the items incorrectly. Precious got 12 mistakes. How many more correct answers did Lyssa get than precious if there were 75 items in the exam?
Lyssa got 75 x 20/100 = 
<gadget id="calculator">75*20/100</gadget>
<output>15</output>
15 mistakes.
Lyssa's score is 75 - 15 = 
<gadget id="calculator">75-15</gadget>
<output>60</output>
60.
The score of Precious is 75 - 12 = 
<gadget id="calculator">75-12</gadget>
<output>63</output>
63.
Thus, Lyssa got 63 - 60 = 
<gadget id="calculator">63-60</gadget>
<output>3</output>
3 more correct answers than Precious.

<result>3</result>