Давай посчитаем по шагам:
154 800 | 10
-10 | 15 480
---
54
-50
---
48
-40
---
80
-80
---
0
15 480 | 9
- 9 | 1 720
---
64
-63
---
18
-18
---
00
-0
---
0
\[ 1720 - 47.6 = 1672.4 \]
97 840 | 80
-80 | 1 223
---
178
-160
---
184
-160
---
240
-240
---
0
\[ 1223 + 77 = 1300 \]
\[ 1672.4 \times 1300 = 2174120 \]
Ответ: 2 174 120