(42071-970*40)*7000-48000: 80+256740*600=незню

(42071 - 970*40)*7000 - 48000:80 + 256740*600 = 176940400

1. 970*40 = 38800
2. 42071 - 38800 = 3271
3. 3271*7000 = 22897000
4. 48000:80 = 600
5. 22897000 - 600 = 22896400
6. 256740*600 = 154044000
7. 22896400 + 154044000 = 176940400