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

Question

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

Answer 1

(42071-970*40)*7000-48000:80+256740*600=
= (42071-38800)*7000-600+154044000=
= 3271*7000-600+154044000=
=22897000-600+154044000=
=176940400

Answer 2

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