James buys 100 tennis balls and gives half of them away.  The other half he puts into 5 large containers.  How many tennis balls go in each container?
He keeps 100/2=
<gadget id="calculator">100/2</gadget>
<output>50</output>
50 tennis balls.
So 50/5=
<gadget id="calculator">50/5</gadget>
<output>10</output>
10 go in each container.

<result>10</result>