If 9 parallel lines in a plane is intersected by a family of another 8 parallel lines, how many parallelograms are there in the network thus formed?
Choose the correct choice from the following choices:  A) 80  B) 63  C) 120  D) 1008  E) 1260
parallelogram can formed by 2 horizontal and 2 vertical lines   for horizontal 9c2   for vertical 8c2   total parallelogram is 9 c2*8c2=36*28= 
<gadget id="calculator">36*28</gadget>
<output>1_008</output>
1008   ANSWER:1008
<result>D</result>
If 9 parallel lines in a plane is intersected by a family of another 8 parallel lines, how many parallelograms are there in the network thus formed?