Question 327042
To convert from some base to base 10, write the number down like so:

1
1
1
1
2

Start at the bottom and multiply by the powers of 5 starting at 5^0

1*5^4=625
1*5^3=124
1*5^2=25
1*5^1=5
2*5^0=2

Add them up and get 782