Cindy had 20 marbles which is 5 more than what Lisa had. If Cindy gave her 12 marbles, how many more marbles does Lisa have now?
Lisa had 20 - 5 = 
<gadget id="calculator">20-5</gadget>
<output>15</output>
15 marbles.
Since Cindy gave 12 marbles, then she only has 20 - 12 = 
<gadget id="calculator">20-12</gadget>
<output>8</output>
8 marbles left.
Since Lisa received 12 marbles, then Lisa has 15 + 12 = 27 marbles now.
Hence, Lisa has 27 - 8 = 
<gadget id="calculator">27-8</gadget>
<output>19</output>
19 marbles more than Cindy.

<result>19</result>