Just as in grade school when you're doing division and multiplication, you do it from left to right in terms of order of operations.

正像是在小学你做除法和乘法的时候,你毫不含糊地从左到右,按顺序做运算。

哈佛公开课 - 计算机科学课程节选

Then again you can use "I'm sorry" ambiguously.

另外，你也可以含糊地使用“I'm sorry”。

I'm sorry 课堂 - SpeakingMax英语口语达人