There is a basket of fruit in the fruit shop, of which apples account for 45%, and after adding 16 kg of pears, apples only account for 25%. How many kilograms of fruit does this basket have?
水果店有一筐水果，其中苹果占45%，再放入16千克梨后，苹果就只占25%，这筐水果原来有多少千克？
<gadget id="calculator">0.45 - 0.25</gadget>
<output>0.2</output>

<gadget id="calculator">4 / 0.2</gadget>
<output>20</output>

<result>20</result>