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

### Instruction:
GiGi took out a big bowl of mushrooms from the refrigerator.  She cut each mushroom into 4 pieces.  Her twins, Kenny and Karla sprinkled mushrooms on their pizzas and baked them in the oven.  Kenny grabbed a handful and sprinkled 38 mushroom pieces on his pizza.  Karla scooped them up with both hands and sprinkled 42 mushroom pieces on her pizza.  On the cutting board, were 8 pieces of mushrooms remaining.  How many mushrooms did GiGi cut up at the beginning?

### Response:
 คีนนี่ใช้เห็ด 38 / 4 = <<38/4=9.5>>9.5 เห็ดบนพิซซ่าของเขา
คาร์ล่าใช้เห็ด 42 / 4 = <<42/4=10.5>>10.5 เห็ดบนพิซซ่าของเธอ
รวมกันแล้ว เด็กแฝดใช้เห็ด 9.5 + 10.5 = <<9.5+10.5=20>>20 เห็ด
บนแผ่นตัดเห็ดยังเหลือ 8 / 4 = <<8/4=2>>2 เห็ด
จีจีตัดเห็ดเริ่มต้นไป 20 + 2 = <<20+2=22>>22 เห็ด