What is 31 percent of my income if I earn $40,000,000 a year. Work on wall street in america

$${\mathtt{40\,000\,000}}{\mathtt{\,\times\,}}\left({\frac{{\mathtt{31}}}{{\mathtt{100}}}}\right) = {\mathtt{12\,400\,000}}$$

It is 12,400,000