$${\frac{{\mathtt{97}}}{{\mathtt{100}}}}{\mathtt{\,\times\,}}{\mathtt{630}} = {\frac{{\mathtt{6\,111}}}{{\mathtt{10}}}} = {\mathtt{611.1}}$$
$${\frac{{\mathtt{3}}}{{\mathtt{100}}}}{\mathtt{\,\times\,}}{\mathtt{630}} = {\frac{{\mathtt{189}}}{{\mathtt{10}}}} = {\mathtt{18.9}}$$