Answer :
[tex]a=10 \hbox{ in}\\
b=3 \hbox{ in}\\
c=7 \hbox{ in}\\
V=abc\\
V=10\cdot 3\cdot 7\\
V=210 \hbox{ in}^3[/tex]
[tex]V=Lenght*widht* height \\\\ V=10*3*7 \\\\ \boxed{V=210 \ inches^3}[/tex]