Hello!
The answer to your problem is 111,150
To get that answer you must put the equation in a different way.
Before
5*9*10*19*13
After
(5*9)*(10*19)*13
Multiply
5*9=45
10*19=190
Now you must multiply 190*45 and get 8550. The Final Step is to Multiply 8550*13 and your final answer will be 111,150.