Using the COBEGIN and COEND expressions how would I rewrite these expressions

Question

1.H^2*(0*(N+T))
2. X*(Y*Z*W*R)
3. M*T*R

Answer 1

I am not famililar with concurrent processing, here's my take:

x=N+T
cobegin
P1:
x*=O;
P2:
x*=H;
P3:
x*=H;
coend
print x;