Below is an instruction that describes a task. Write a response that appropriately completes the request in English. Please answer in English.

### Instruction:
Matthias has 40 soccer balls and 15 basketballs. 30 soccer balls and 7 basketballs have a hole in them. How many balls in total does Matthias have without holes in them?

### Response:
Matthias has 40-30 = <<40-30=10>>10 soccer balls without holes.
Matthias has 15-7 = <<15-7=8>>8 basketballs without holes.
In total, Matthias has 10+8 = <<10+8=18>>18 balls without holes.
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