Solve the multiplication problem.

Okay, let's solve the multiplication problem: 0.057 * 6.4

Let's perform the multiplication:


0. 057
* 6.4
----------
0. 228
3. 42
----------
0. 3648

Now, let's count the number of decimal places in both numbers. 0.057 has 3 decimal places and 6.4 has 1 decimal place. So the total number of decimal places is 3 + 1 = 4.

Therefore, the result is 0.3648.

Answer: 0.3648