\[\boxed{\mathbf{479.}}\]
\[120 \cdot 2 = 240\]
\[230 \cdot 2 = 460\]
\[340 \cdot 2 = 680\]
\[210 \cdot 3 = 630\]
\[220 \cdot 4 = 880\]
\[110 \cdot 5 = 550\]
\[123 \cdot 2 = 246\]
\[214 \cdot 2 = 428\]
\[331 \cdot 2 = 662\]
\[213 \cdot 3 = 639\]
\[122 \cdot 4 = 488\]
\[104 \cdot 2 = 208\]