Answer:
You should follow GEMDAS or PEMDAS
answer is 40
Explanation:
G or P stands for grouping devices or parentheses
E stands for exponents (not needed)
M and D stand for multiplication or Division (use which ever comes first left to right)
A and S stand for addition and subtraction (use which ever comes first)
sooo...
1) 3x2=6 now 10+18+6+6
2) 10+18=28 now 28+6+6
3) 6+6=12 now 28+12
4) 28+12=40 answer is 40