Lilly has 10 fish and Rosy has 8 fish. In total, how many fish do they have in all?	Options:
A) 12
B) 14
C) 16
D) 18
E) 20
10+8= 
<gadget id="calculator">10+8</gadget>
<output>18</output>
18   The answer is 18.
<result>D</result>
Lilly has 10 fish and Rosy has 8 fish. In total, how many fish do they have in all?