Solve Using the Multiplication Principle $- 19.2 \mathrm {~m} = - 153.6$

Solve using the multiplication principle.
- $- 19.2 \mathrm {~m} = - 153.6$

A) $\frac { 1 } { 8 }$
B) 8
C) $145.6$
D) $134.4$