VTMO 2026 - Grade 3 - Semifinal - SET 11 - Self-study Question 12

Use each of the digits 2, 3, 4, 5, 6, 7 and 8 exactly once. The letters $U,V,W,X,Y,M,N$ stand for different digits. Find the smallest possible value of $\overline{UVW}-(\overline{XY}+\overline{MN})$.