Examples are as follows:
0. 12? +? 7.99? =? 8. 1 1
10.2? 1.23? =? 8.97
1.23? ×? 3.2 1=? 3.9483
12. 1÷? 1. 1= 12 1? ÷? 1 1? =? 1 1
5.78? 3.29? =? 2.49
All vertical types are shown in the figure: