999*999+79900:5*324+324(-67876-45000)*31117

Question

999*999+79900:5*324+324(-67876-45000)*31117

Answer 1

999*999+79900:5*324+324(-67876-45000)*31117=998001+79900/5*324*
                                                  16
(-112876)*31117=-1.81853*10

Answer 2

999*999=998001
79900/5=15980
15980*324=5177520
5177520+998001=6175521
6175521+324=61758445
-67876-45000=-112876
-112877*31117=-3512362e9