No problem, we've got 72099497 and 36045837 to multiply
72099497 × 36045837 = 36045837 × (72099497)
+ 36045837 × 7 that results in 252320859
+ 36045837 × 90 yielding 3244125330
+ 36045837 × 400 which equals 14418334800
+ 36045837 × 9000 what gives us 324412533000
+ 36045837 × 90000 yielding 3244125330000
+ 36045837 × 000000 that results in 0
+ 36045837 × 2000000 resulting in 72091674000000
+ 36045837 × 70000000 that equals 2523208590000000

= 2598886716643989
