No problem, we've got 71023481 and 80259896 to multiply
71023481 × 80259896 = 80259896 × (71023481)
+ 80259896 × 1 that is equal 80259896
+ 80259896 × 80 what gives us 6420791680
+ 80259896 × 400 that is equal 32103958400
+ 80259896 × 3000 that results in 240779688000
+ 80259896 × 20000 yielding 1605197920000
+ 80259896 × 000000 that equals 0
+ 80259896 × 1000000 that equals 80259896000000
+ 80259896 × 70000000 that results in 5618192720000000

= 5700337198617976
