No problem, we've got 42141920 and 31035145 to multiply
42141920 × 31035145 = 31035145 × (42141920)
+ 31035145 × 0 producing 0
+ 31035145 × 20 resulting in 620702900
+ 31035145 × 900 what gives us 27931630500
+ 31035145 × 1000 that is equal 31035145000
+ 31035145 × 40000 that is equal 1241405800000
+ 31035145 × 100000 that results in 3103514500000
+ 31035145 × 2000000 that equals 62070290000000
+ 31035145 × 40000000 that equals 1241405800000000

= 1307880597778400
