Krishna and Callum are playing a game where they earn 10 points if they win any round. If they played eight matches and Krishna won 3/4 of the matches, what is the total number of points that Callum earned?
Krishna won 3/4 * 8 rounds = 
<gadget id="calculator">3/4*8</gadget>
<output>6</output>
6 rounds.
If they played eight rounds, Callum won 8 rounds - 6 rounds = 
<gadget id="calculator">8-6</gadget>
<output>2</output>
2 rounds.
If a round earns one 10 points, Callum got 2 rounds * 10 points/round = 
<gadget id="calculator">2*10</gadget>
<output>20</output>
20 points.

<result>20</result>