the cost price of a radio is rs. 1500 and it was sold for rs. 1230, find the loss %?  Options:
A) 18 %	B) 19 %	C) 68 %	D) 19 %	E) 38 %
<gadget id="calculator">1_500 - 1_230</gadget>
<output>270</output>

<gadget id="calculator">270 / 1_500</gadget>
<output>9/50 = around 0.18</output>

<gadget id="calculator">(9/50) * 100</gadget>
<output>18</output>

<result>A</result>
the cost price of a radio is rs. 1500 and it was sold for rs. 1230, find the loss %?
multiply(divide(subtract(1500, 1230), 1500), const_100)
"1500 - - - - 270 100 - - - - ? = > 18 % answer : a"