$${\frac{{\mathtt{2\,159}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{{\mathtt{9}}}}{\left({\mathtt{8}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{{\mathtt{7}}}\right)}} = {\mathtt{26\,987.5}}$$
=$${\frac{{\mathtt{2\,159}}}{{\mathtt{8}}}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{{\mathtt{2}}} = {\mathtt{26\,987.5}}$$
.$${\frac{{\mathtt{2\,159}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{{\mathtt{9}}}}{\left({\mathtt{8}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{{\mathtt{7}}}\right)}} = {\mathtt{26\,987.5}}$$
=$${\frac{{\mathtt{2\,159}}}{{\mathtt{8}}}}{\mathtt{\,\times\,}}{{\mathtt{10}}}^{{\mathtt{2}}} = {\mathtt{26\,987.5}}$$