Alright, let's work through 70200340 times 23942709 step by step
70200340 × 23942709 = 23942709 × (70200340)
+ 23942709 × 0 resulting in 0
+ 23942709 × 40 what gives us 957708360
+ 23942709 × 300 producing 7182812700
+ 23942709 × 0000 that results in 0
+ 23942709 × 00000 yielding 0
+ 23942709 × 200000 which equals 4788541800000
+ 23942709 × 0000000 resulting in 0
+ 23942709 × 70000000 that equals 1675989630000000

= 1680786312321060
