30303-(76*507+68400:450):76+2530*(1050-441) = 1570564
1) 76*507 = 38532
2) 68400:450 = 152
3) 38532+152 = 38684
4) 38684:76 = 509
5) 30303-509 = 29794
6) 1050-441 = 609
7) 2530*609 = 1540770
8) 29794+1540770 = 1570564
ответ: 1570564.
