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

### Instruction:
Allie's making guacamole for a party. Each batch requires 4 avocados and serves about 6 people. If 42 people are going to be at the party including her, how many avocados does she need?

### Response:
 เธอต้องทำ 42/6 = <<42/6=7>>7 กลุ่ม
แต่ละกลุ่มต้องใช้ 4 ลูกเจี๊ยบ ดังนั้นเธอต้องใช้ 4 * 7 = <<4*7=28>>28 ลูกเจี๊ยบ