No problem, we've got 87424359 and 73974398 to multiply
87424359 × 73974398 = 73974398 × (87424359)
+ 73974398 × 9 what gives us 665769582
+ 73974398 × 50 that is equal 3698719900
+ 73974398 × 300 producing 22192319400
+ 73974398 × 4000 that is equal 295897592000
+ 73974398 × 20000 that results in 1479487960000
+ 73974398 × 400000 what gives us 29589759200000
+ 73974398 × 7000000 yielding 517820786000000
+ 73974398 × 80000000 resulting in 5917951840000000

= 6467164327560882
