In a basketball game, Cyrus made exactly eighty percent of the shots he attempted. He attempted twenty shots. How many times did he miss the shots?
Cyrus made 20 x 80/100 = 
<gadget id="calculator">20*80/100</gadget>
<output>16</output>
16 shots.
So, he missed 20 - 16 = 
<gadget id="calculator">20-16</gadget>
<output>4</output>
4 shots.

<result>4</result>