What is the greatest integer less than -15/4?
-15/4 = -33/4. The greatest integer less than -33/4 is -4.
Complete the following task based on the instruction and optional input provided.### Instruction:
What is the greatest integer less than -15/4?

### Output:
-15/4 = -33/4. The greatest integer less than -33/4 is -4.