this calculator is helpful! but i dont know wut is 1+1.

1 + 1  is not a  reasonable question !

9999999³  you are unable to tipp into the calculator?

I will do it for you :

$${{\mathtt{9\,999\,999}}}^{{\mathtt{3}}} = {\mathtt{999\,999\,700\,000\,029\,999\,999}}$$

I hope you are happy now !