James spends 3 hours vacuuming and 3 times as long on the rest of his chores.  How long does he spend on his chores?
He spends 3*3=
<gadget id="calculator">3*3</gadget>
<output>9</output>
9 hours on his other chores.
So he spends 3+9=
<gadget id="calculator">3+9</gadget>
<output>12</output>
12 hours on chores.

<result>12</result>