The boy surnamed Cai Wan is short of gold in five elements and eight characters, so he should get a meaningful one.

Cai

17 strokes (wood)

ten thousand

15 stroke (water)

inscription

14 (gold)

Tian Ge: 18 (gold) Personality: 32 (wood) Terrace: 29 (water) Foreign grid: 15 (soil) Overall grid: 46 (soil).