Tom goes to a combined undergrad and Ph.D. program.  It takes 3 years to finish the BS and 5 years to finish the Ph.D.  Tom finishes it in 3/4ths the time.  How long does it take for him to finish?
The program normally takes 3+5=
<gadget id="calculator">3+5</gadget>
<output>8</output>
8 years.
So he manages to finish in 8*3/4=
<gadget id="calculator">8*3/4</gadget>
<output>6</output>
6 years.

<result>6</result>