Give you a few examples:

1 10? 59? =? 5 1

123? 45? =? Seventy-eight

1 1 1? 35? =? 76

100? 89? =? 1 1

45? 29? =? 16

Vertical, please see the picture:

28.63? 0.04? =? 28.59

104.5? +? 18.85? =? 123.35

5.235? 4.495? =? 0.74

759? ÷? 33? =? 23

867? ÷? 85? =? 10.2

630? ÷? 24? =? 26.25

1 1.2÷4=2.8

5.2? ÷? 4=? 1.3

124.8÷4=3 1.2

30.2÷2= 15. 1

Vertical as shown in the figure: