Liza bought 10 kilograms of butter to make cookies. She used one-half of it for chocolate chip cookies, one-fifth of it for peanut butter cookies, and one-third of the remaining butter for sugar cookies. How many kilograms of butter are left after making those three kinds of cookies?
Liza used 10/2 = 
<gadget id="calculator">10/2</gadget>
<output>5</output>
5 kilograms of butter for the chocolate chip cookies.
Then, she used 10/5 = 
<gadget id="calculator">10/5</gadget>
<output>2</output>
2 kilograms of butter for the peanut butter cookies.
She used 5 + 2 = 
<gadget id="calculator">5+2</gadget>
<output>7</output>
7 kilograms of butter for the chocolate and peanut butter cookies.
So, only 10 -7 = 
<gadget id="calculator">10-7</gadget>
<output>3</output>
3 kilograms of butter was left.
Then, Liza used 3/3 = 
<gadget id="calculator">3/3</gadget>
<output>1</output>
1 kilograms of butter for the sugar cookies.
Therefore, only 3-1 = 
<gadget id="calculator">3-1</gadget>
<output>2</output>
2 kilograms of butter were left.

<result>2</result>