how many total atoms are there in the chemical formula B2(CO3)3

Answer 1

B = 2
C = 3
O = 3*3 = 9
total 2 + 3 + 9 = ?

Answer 2

14

Answer 3

3 B₂(CO₃)₃
3 x 2 = 6
3 x 1 x 3 = 9
3 x 3 x 3 = 27
6 + 9 + 27 = 42