$\begin{array}{c}2856:14=204\\ \underset{‾}{-28}\\ 00\\ \underset{‾}{-00}\\ 56\\ \underset{‾}{-56}\\ 0\end{array}\backslash def\backslash arraystretch\{1.25\}\; \backslash begin\{array\}\{l\}\backslash ;\backslash ;\backslash ;2856:14=204\backslash \backslash \backslash underline\{-28\}\backslash \backslash \backslash ;\backslash ;\backslash ;\; \{00\}\backslash \backslash \; \backslash underline\{-00\}\backslash \backslash \backslash ;\backslash ;\backslash ;\backslash ;\backslash \; \backslash \; \backslash \; \{56\}\backslash \backslash \backslash \; \backslash \; \backslash \; \backslash \; \backslash underline\{-56\}\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash ;\backslash \backslash \backslash \; \backslash \; \backslash \; \backslash \; \backslash \; \backslash \; \backslash \; \backslash \; \backslash \; 0\backslash end\{array\}$

$89-102=-1389-102=-13$

Du ziehst von einer positiven Zahl eine größere ab. Das Ergebnis ist also negativ.