add 15% of 25 and 12% of 45.  Choose the correct choice from the following options:
A) 9.2
B) 10.5
C) 11.5
D) 12.3
E) 15
15% of 25 + 12% of 45   25*15/100+45*12/100   3.8+5.4= 
<gadget id="calculator">3.8+5.4</gadget>
<output>9.2</output>
9.2   answer 9.2
<result>A</result>
add 15% of 25 and 12% of 45.