(22796-6377)*45+44449-38040:30=? 17*(17598*8:42*12-275-412)=?

Question

(22796-6377)*45+44449-38040:30=?
17*(17598*8:42*12-275-412)=?

Answer 1

1)16419*45=738855
738855+44449=783304
783304-1268=782036
2)39537*17=672129