\[\boxed{\mathbf{392.}}\]
\[430 - 150 = 280\]
\[280 + 150 = 430\]
\[610 - 480 = 130\]
\[480 + 130 = 610\]
\[734 - 250 = 484\]
\[484 + 250 = 734\]
\[524 - 163 = 361\]
\[361 + 163 = 524\]
\[813 - 426 = 387\]
\[426 + 387 = 813\]
\[945 - 72 = 873\]
\[873 + 72 = 945\]
\[302 - 140 = 162\]
\[162 + 140 = 302\]
\[605 - 307 = 298\]
\[307 + 298 = 605\]
\[803 - 65 = 738\]
\[738 + 65 = 803\]
\[200 - 75 = 125\]
\[125 + 75 = 200\]
\[500 - 63 = 437\]
\[437 + 63 = 500\]
\[900 - 8 = 892\]
\[892 + 8 = 900\]