Fabian has three times more marbles than Kyle and five times more than Miles. If Fabian has 15 marbles, how many marbles do Kyle and Miles have together?
Kyle has a third of Fabian's number of marbles, so he has 15 / 3 = 
<gadget id="calculator">15/3</gadget>
<output>5</output>
5 marbles.
Miles has a fifth of Fabian's number of marbles, so he has 15 / 5 = 
<gadget id="calculator">15/5</gadget>
<output>3</output>
3 marbles.
Miles and Kyle together have 5 + 3 = 
<gadget id="calculator">5+3</gadget>
<output>8</output>
8 marbles.

<result>8</result>