Multiply $1813 by 30% in decimal form, which is 0.30.
$${\mathtt{1\,813}}{\mathtt{\,\times\,}}{\mathtt{0.3}} = {\frac{{\mathtt{5\,439}}}{{\mathtt{10}}}} = {\mathtt{543.9}}$$
So 30% of 1813 is 543.9 :D
Multiply $1813 by 30% in decimal form, which is 0.30.
$${\mathtt{1\,813}}{\mathtt{\,\times\,}}{\mathtt{0.3}} = {\frac{{\mathtt{5\,439}}}{{\mathtt{10}}}} = {\mathtt{543.9}}$$
So 30% of 1813 is 543.9 :D