Tim takes his 3 children trick or treating.  They are out for 4 hours.  Each hour they visited 5 houses.  Each house gives 3 treats per kid.  How many treats do his children get in total?
They visit 4*5=
<gadget id="calculator">4*5</gadget>
<output>20</output>
20 houses.
That means each child get 20*3=
<gadget id="calculator">20*3</gadget>
<output>60</output>
60 treats.
So in total they get 60*3=
<gadget id="calculator">60*3</gadget>
<output>180</output>
180 treats.

<result>180</result>