IKMC 2027 - Grades 1-2 - Self-study SET 2 - Thematic Batch 3 Question 8

During a shower of sweets, Nam catches 15 strawberry sweets, 8 coconut sweets and 7 grape sweets. Việt catches 6 strawberry sweets, 7 coconut sweets and 9 grape sweets. How many more sweets does Nam catch than Việt?