if y > 0, ( 10 y ) / 20 + ( 3 y ) / 10 is what percent of y? Pick:
A) 40 % B) 50 % C) 60 % D) 70 % E) 80 %
<gadget id="calculator">10 / 20</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(1/2) + (3/10)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">100 * (4/5)</gadget>
<output>80</output>

<result>E</result>
if y > 0, ( 10 y ) / 20 + ( 3 y ) / 10 is what percent of y?
multiply(const_100, add(divide(10, 20), divide(3, 10)))
"can be reduced to y / 2 + 3 y / 10 = 4 y / 5 = 80 % e"