Find the Volume $20 \frac{5}{6} \mathrm{ft}^{3}$ B) $231 \mathrm{ft}^{3}$ C) $77 \mathrm{ft}^{3}$ D) $210 \frac{1}{6} \mathrm{ft}^{3}$

Find the volume.
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A) $20 \frac{5}{6} \mathrm{ft}^{3}$
B) $231 \mathrm{ft}^{3}$
C) $77 \mathrm{ft}^{3}$
D) $210 \frac{1}{6} \mathrm{ft}^{3}$