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

### Instruction:
 约翰从他的爷爷那里得到30美元，从他的奶奶那里得到3倍于此的金额。他从两位祖父母那里总共得到多少钱？


### Response:
 他的奶奶给了30*3=$<<30*3=90>>90
所以他们总共给了30+90=$<<30+90=120>>120