Mrs. Harrington bought 12 boxes of oranges at the market. She gave her mom and her sister 2 boxes of oranges each. Then she kept 1/4 of the oranges and sold the rest. How many oranges did Mrs. Harrington sell if each box contains 20 oranges?
Mrs. Harrington gave a total of 2 x 2 = 
<gadget id="calculator">2*2</gadget>
<output>4</output>
4 boxes of oranges to her mom and sister.
She then had 12 - 4 = 
<gadget id="calculator">12-4</gadget>
<output>8</output>
8 boxes of oranges left.
She kept 8 x 1/4 = 
<gadget id="calculator">8*1/4</gadget>
<output>2</output>
2 boxes of oranges.
So, she had 8 - 2 = 
<gadget id="calculator">8-2</gadget>
<output>6</output>
6 boxes of oranges to be sold.
Hence, Mrs. Harrington sold 6 boxes x 20 oranges = 
<gadget id="calculator">6*20</gadget>
<output>120</output>
120 oranges.

<result>120</result>