<p>
	A particulay brand of shirt comes in 12 colors, has a male and female version, and comes in three sizes for each sex. How many different 
types of this shirt are made. 
</p>
<p>
c = number of colors for each shirt <br>
s = number of gender types for each shirt <br>
z = number of sizes for each shirt <br>
</p>
<p>
The answer is the product of all three of these because shirt can be each of all the possibilties of each variable. Thus
</p>
<p>
Answer = c * s * z = 12 * 2 * 3 = <b> 72 different types</b>
</p>