The difference between the price of an orange and the price of a pear equals the price of a banana. If the total cost of an orange and a pear is $120 and a pear costs $90, calculate the total price of buying 200 bananas and twice as many oranges as bananas.
If the total cost of an orange and a pear is $120, and a pear costs $90, an orange costs $120-$90 = $
<gadget id="calculator">120-90</gadget>
<output>30</output>
30.
Since the difference between the price of an orange and a pear is the price of a banana, a banana is sold at $90-$30 = $
<gadget id="calculator">90-30</gadget>
<output>60</output>
60.
To buy 200 bananas, you'll pay $60*200 = $
<gadget id="calculator">60*200</gadget>
<output>12_000</output>
12000.
When you twice as many oranges as bananas, you buy 2*200 = 
<gadget id="calculator">2*200</gadget>
<output>400</output>
400 oranges.
The total cost of buying 400 oranges is 400*30 = $
<gadget id="calculator">400*30</gadget>
<output>12_000</output>
12000.
The total price of buying 200 bananas and twice as many oranges as bananas is $12000+$12000 = $24000.

<result>24_000</result>