How do I solve the triple integral xz^2siny from 0,pi/2,0,pi/2,1,2?

I get an error for both commands

Answer 1

[David Hill]

syms x y z;
eqn=x*z^2*sin(y);
a=int(int(int(eqn,'x',0,pi/2),'y',0,pi/2),'z',1,2);