Answer:
36
Step-by-step explanation:
From first roll, there are 6 possible outcomes (1,2,3,4,5,6)
From the second roll, also 6 outcomes (1,2,3,4,5,6)
6*6=36
9 wagon stamps and 1 sailboat stamp!
7×4= 28
28+3=31
I think it's the second one on the top, because the dotted one is actually inside the bigger one and you can get a clear representation of the sizes.