Tom weighs 150 kg.  He manages to hold 1.5 times his weight in each hand while wearing a weight vest weighing half his weight.  How much total weight was he moving with?
He was carrying 150*1.5=
<gadget id="calculator">150*1.5</gadget>
<output>225</output>
225 kg in each hand.
So he had 225*2=
<gadget id="calculator">225*2</gadget>
<output>450</output>
450 kg in his hands.
The weight vest weighed 150*.5=
<gadget id="calculator">150*.5</gadget>
<output>75</output>
75 kg.
So he had a total of 450+75=
<gadget id="calculator">450+75</gadget>
<output>525</output>
525 kg he was moving.

<result>525</result>