7890•8907•5673 :89•6785:789•68:789•56346:654

7890 * 8907 * 5673 / 89 * 6785 / 789 * 68 / 789 * 56 346 / 654 = 286 036 419 678,34;

7890 * 8907 = 70 276 230;

70 276 230 * 5673 = 398 677 052 790;

398 677 052 790 / 89 = 4 479 517 447,07;

4 479 517 447,07 * 6785 = 30 393 525 878 369,95;

30 393 525 878 369,95 / 789 = 38 521 579 060,04;

38 521 579 060,04 * 68 = 2 619 467 376 082,72;

2 619 467 376 082,72 / 789 = 3 319 984 000,10;

3 319 984 000,10 * 56 346 = 187 067 818 469 634,6;

187 067 818 469 634,6 / 654 = 286 036 419 678,34,