Tom invites his parents and 3 siblings to his house.  They each eat 3 times a day.  How many plates do Tom and his guests use while they are there for the 4 days if each person uses 2 plates per meal?
There were 1+2+3=
<gadget id="calculator">1+2+3</gadget>
<output>6</output>
6 people at the house.
That means they use 6*2=
<gadget id="calculator">6*2</gadget>
<output>12</output>
12 plates per meal.
So they use 12*3=
<gadget id="calculator">12*3</gadget>
<output>36</output>
36 plates per day.
That means they use 36*4=
<gadget id="calculator">36*4</gadget>
<output>144</output>
144 plates for the visit.

<result>144</result>