A basket contains 25 oranges among which 1 is bad, 20% are unripe, 2 are sour and the rest are good. How many oranges are good?
20% of 25 oranges is (20/100)*25 = 
<gadget id="calculator">(20/100)*25</gadget>
<output>5</output>
5 oranges.
The total number of bad, unripe and sour oranges is therefore 1+5+2 = 
<gadget id="calculator">1+5+2</gadget>
<output>8</output>
8 oranges.
The rest which is 25-8 = 
<gadget id="calculator">25-8</gadget>
<output>17</output>
17 oranges are good.

<result>17</result>