Height Problem 2

R is 156 cm tall.S is one sixth $\times$ 8 of R. P is $\cfrac { 1 }{ 4 } th$ of S $\times$ $\cfrac { 5 }{ 2 }$ .And Q is $\cfrac { 1 }{ 5 } th\quad$ of P $\times \quad 4$

Then add their heights , add 2 in that addition , and then square the solution after adding 2, and write the answer.