Hello world!
test
testing
calc test
I read your msg
calc 111
I read your msg
calc 1+1
calc 1+1
I read your msg
testing
2
calc 2*(1+2)
2*(1+2)=6
calculate
Calc 2+2
2+2=4
calc 4*(6/3)
calc 4*(6/3)
4*(6/3)=8
calc 4*(2-8)
4*(2-8)=-24
calc 3^2
calc 222
222=8
calc (4+4)*(2-2)+2-3
(4+4)*(2-2)+2-3=-1
1+1=2
calc 1+2
1+2=3
calc 1+2
1+2=3
calc 1+4
1+4=5
