Tom uses 10 weight plates each weighing 30 pounds on an exercise machine.  This exercise machine uses special technology to make the weights 20% heavier on the lowering portion.  How heavy did the weights feel when being lowered?
The weight stack weighed 10*30=
<gadget id="calculator">10*30</gadget>
<output>300</output>
300 pounds.
So the added weight made it 300*.2=
<gadget id="calculator">300*.2</gadget>
<output>60</output>
60 pounds heavier.
So when he lowered the weight it was 300+60=
<gadget id="calculator">300+60</gadget>
<output>360</output>
360 pounds.

<result>360</result>