Your question should be problematic: then there is an increase of 10 and 1.

Analysis: reverse calculation

100- 1=99 (only)

99 (1+110) = 90 (only)

90 degrees (1+ 1/2)=60 degrees (only)

60( 1+ 1)= 30 (only)

There used to be 30 geese

According to your data, it is 26.4, not an integer.