add 16% of 36 and 13% of 45.
Choices:
A) 9.5	B) 8.5	C) 7.2	D) 7	E) 8
16% of 36 + 13% of 45   36*16/100+45*13/100   5.8+1.4= 
<gadget id="calculator">5.8+1.4</gadget>
<output>7.2</output>
7.2   answer 7.2
<result>C</result>
add 16% of 36 and 13% of 45.