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

### Instruction:
It is Roger’s turn to provide a snack for the baseball team after the game and he has decided to bring trail mix. The trail mix comes in packs of 6 individual pouches. Roger has 13 members on his baseball team, plus 3 coaches and 2 helpers. How many packs of trail mix does he need to buy?

### Response:
 จำนวนซองขนมว่างแบบเทรลมิกส์: 13 + 3 + 2 = <<13+3+2=18>>18
จำนวนแพ็คขนมว่าง: 18 / 6 = <<18/6=3>>3 แพ็ค