Pls Help As Quick As Possible

Answer:
2.129
Step-by-step explanation:
So, 3.157 - ______ = 1.028
Add the blank to the other side:
3.157 = 1.028 + ______
Now subtract the 1.028
3.157 - 1.028 = ______
3.157 - 1.028 = 2.129
Nice handwriting, if that's yours.