Answer:
687
Step-by-step explanation:
I know this is a joke but I'll help you out anyway.
7 - 18 = (-11)
(-11) + 20 = 9
9 + 0 = 9
9 - 322 = -313
-313 + 1000 = 687
Therefore, your answer is 687.
Hope I helped, and a Brainliest is always appreciated! ☺
