First perform the operations inside the brackets.
To divide a whole number by , put a decimal point after 3 digits from the right. So, .
To divide a whole number by 10, put a decimal point after 1 digit from the right. So, .
Then add the quotients. Add vertically, with the decimal points under each other. Put zeros to the right of the last decimal digit so each number has the same number of digits after the decimal point. Add from the right to the left.