Multiply $6 \mathrm { ft }\quad 4 \mathrm { in }$

Multiple Choice

Multiply: $6 \mathrm { ft }\quad 4 \mathrm { in }$
$\begin{array} { r } \times \quad 7 \\ \hline \end{array}$

A) 45 ft 4 in.
B) 44 ft 5 in.
C) 6 ft 11 in.
D) 44 ft 4 in.
E) 43 ft 4 in.