CL-USER 1 > (ncl)
how much is 2 plus 3 ?
5

CL-USER 2 > (ncl)
what is the sum of that and 2 ?
7

CL-USER 3 > (ncl)
divide that by the sum of 6 and 1 ?
1

CL-USER 4 > (ncl)
tell me the squareroot of the sum of that and 8 ?
3.0

CL-USER 5 > (ncl)
what is the product of 3 and 3 plus 3 ?
12

CL-USER 6 > (ncl)
what is the product of 3 and the sum of 3 and 3 ?
18

CL-USER 7 > (ncl)
what is the product of 3 and the squareroot of 9 ?
9.0

CL-USER 8 > (ncl)
multiply 3 by 3 ?
9
CL-USER 9 > (ncl)
multiply that by the sum of 3 and 3 ?
36