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

### Instruction:
Susan loves chairs. In her house there are red chairs, yellow chairs, and blue chairs. There are 5 red chairs. There are 4 times as many yellow chairs as red chairs, and there are 2 fewer blue chairs than yellow chairs. How many chairs are there in Susan's house?

### Response:
 แดง: 5
เหลือง: 4(5)=20
น้ำเงิน: 20-2=<<20-2=18>>18
รวม: 5+20+18=<<5+20+18=43>>43