Question 542974
{{{ 5*3 }}} gives all the combinations 
of color and engine type
Of the options, The 1st selection can be
none or any 1 of 12- that makes 13 choices
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that leaves 12 choices for the 2nd selection
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The result of this is {{{ 13! }}}
{{{ 5*3*13! }}} answer
I'm pretty sure, but you may
want a 2nd opinion