Alright, let's work through 3987234 times 97340267 step by step
3987234 × 97340267 = 97340267 × (3987234)
+ 97340267 × 4 giving us 389361068
+ 97340267 × 30 resulting in 2920208010
+ 97340267 × 200 yielding 19468053400
+ 97340267 × 7000 yielding 681381869000
+ 97340267 × 80000 yielding 7787221360000
+ 97340267 × 900000 what gives us 87606240300000
+ 97340267 × 3000000 that equals 292020801000000

= 388118422151478
