SUMPRODUCT formula explanation

Hi everyone!

I would like to ask for your help in understanding what does this formula does.

Formula: =SUMPRODUCT(B2:C16,D2:E16)

Values from B2 to E16
63 60 0 0
65 6 1 1
84 23 0 0
27 8 0 1
20 7 1 0
2 80 1 0
42 26 0 0
28 61 0 0
87 35 0 1
32 14 0 0
53 23 1 0
1 42 0 1
39 19 1 1
41 20 1 0
21 1 0 1

Thanks in advance for your help.

Regards.