Ocho has 8 friends and half are girls. His friends who are boys like to play theater with him. How many boys play theater with him?
Half his friends are boys because 1 - 1/2 = 1/2.
He plays with four boys because 8 x 1/2= 
<gadget id="calculator">8*1/2</gadget>
<output>4</output>
4.

<result>4</result>