5375*712+(2559-837)*102-3075:15*42=3827000+1722*102-3075=3827000+175644-3075=4002644-3075=399569
7121350-(15125:25+302*804-986:17)*9=7121350-(605+242808-58)*9=7121350-243355*9=7121350-2190195=4931155
1092322:574+152*93-(96*125-82215:9)=1903+14136-(12000-9135)=16093-2865=13228