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

### Instruction:
Jennie makes quilts. She can make 7 quilts with 21 yards of material. How many yards of material would be required to make 12 quilts?

### Response:
Jennie needs 21 yards/7 quilts = <<21/7=3>>3 yards/quilt.
To make 12 quilts, she will need 3 yards/quilt * 12 quilts = <<3*12=36>>36 yards.
#### 36