Calculate its molecular mass

During photosynthesis a six carbon atom molecule, glucose ($C_{6}H_{12}O_{6}$), is formed. Calculate its molecular mass.
[Atomic mass C= 12.0 u, H = 1.0 u and O = 16.0 u]

Molecular mass of glucose = 6 x atomic mass of C + 12 x atomic mass of H + 6 x atomic mass of O
= 6 x 12+ 12 x 1 + 6 x 16 = 72 + 12 +96
= 180u