$${\mathtt{977.12}}{\mathtt{\,-\,}}{\mathtt{800}} = {\frac{{\mathtt{4\,428}}}{{\mathtt{25}}}} = {\mathtt{177.12}}$$
http://web2.0rechner.de/#977.12-800
$${\mathtt{977.12}}{\mathtt{\,-\,}}{\mathtt{800}} = {\frac{{\mathtt{4\,428}}}{{\mathtt{25}}}} = {\mathtt{177.12}}$$
http://web2.0rechner.de/#977.12-800