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

### Instruction:
 一个具有给定底边和高度的三角形的面积由1/2*底边*高度给出。一个面积为24平方单位、高度为8的三角形的底边长度是多少？


### Response:
 设b为底边
(1/2)*b*8=24.
4*b=24
b=<<6=6>>6