Это дроби 9 5/8*4 2/5
9 5/8 × 4 2/5=77/8 × 22/5=77×11/(4×5)=847/20= =42 7/20 $$$$$$$$$$$$$$$$$$
9 5/8*4 2/5= 77/8*22/5=147/20=7 7/20=7,35