If there are 4 peanuts in a box and Mary puts 8 more peanuts inside, how many peanuts are in the box?  Choose the correct answer.
A) 8
B) 9
C) 10
D) 11
E) 12
8+4= 
<gadget id="calculator">8+4</gadget>
<output>12</output>
12   correct answer is 12)12
<result>E</result>
If there are 4 peanuts in a box and Mary puts 8 more peanuts inside, how many peanuts are in the box?