Alright, let's work through 6939455 times 97253954 step by step
6939455 × 97253954 = 97253954 × (6939455)
+ 97253954 × 5 yielding 486269770
+ 97253954 × 50 that is equal 4862697700
+ 97253954 × 400 that equals 38901581600
+ 97253954 × 9000 giving us 875285586000
+ 97253954 × 30000 yielding 2917618620000
+ 97253954 × 900000 that results in 87528558600000
+ 97253954 × 6000000 yielding 583523724000000

= 674889437355070
