James decides to bulk up.  He weighs 120 kg and gains 20% of his body weight in muscle and 1 quarter that much in fat.  How much does he weigh now?
He gains 120*.2=
<gadget id="calculator">120*.2</gadget>
<output>24</output>
24 kg in muscles.
So he gains 24/4=
<gadget id="calculator">24/4</gadget>
<output>6</output>
6 kg of fat.
That means he gains a total of 24+6=
<gadget id="calculator">24+6</gadget>
<output>30</output>
30 kg of bodyweight.
So his new body weight is 120+30=
<gadget id="calculator">120+30</gadget>
<output>150</output>
150 kg.

<result>150</result>