What is the unit digit of (6!*6! / 6!*3!)?  Choose the correct choice from the following answers:
A) 0  B) 1  C) 2  D) 3  E) 4
(6!*6! /6!*3!)   =(6! / 3!)   =720/6= 
<gadget id="calculator">720/6</gadget>
<output>120</output>
120   Units digit of the above product will be equal to 0   0nswer 0
<result>A</result>
What is the unit digit of (6!*6! / 6!*3!)?