Условие:

8640 : 27;
507 * 372 + (9200800 : 4).

8640 : 27 = 320

 
507 * 372 + (9200800 : 4) = 188604 + (9200200) = 188604 + 9000 = 194604
1) ;
2) 800 : 4 = 200;
3) 9200200 = 9000;
4) 188604 + 9000 = 194604.