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

### Instruction:
 马丁敲小铃铛的次数是大铃铛次数的1/3加上4倍。如果他总共敲响两个铃铛52次，他敲大铃铛多少次？


### Response:
 设小铃铛的次数为s，大铃铛的次数为b。我们知道s + b = 52，而s = 4 + 1/3b。
将第二个方程代入第一个方程，得到4 + 1/3b + b = 52
两边同时减去4，得到1/3b + b = 48
合并同类项，得到4/3b = 48
将方程两边除以4/3，得到b = 36