From the following sentence generate a question that can be answered in one sentence
The world has already warmed by 1.1 degree Celsius since pre-industrial times.
By how many degrees Celsius has the world warmed since pre-industrial times?
Complete the following task based on the instruction and optional input provided.### Instruction:
From the following sentence generate a question that can be answered in one sentence

### Input:
The world has already warmed by 1.1 degree Celsius since pre-industrial times.

### Output:
By how many degrees Celsius has the world warmed since pre-industrial times?