A, B, and C spend the same amount of money to buy a batch of apples. When distributing, A and B both take 30 kilograms more than C, and both A and B pay C 65 yuan at the checkout. How much are apples per kilogram? Yuan?
甲、乙、丙三人拿出同样多的钱买一批苹果，分配时，甲、乙都比丙多拿30千克，结帐时甲和乙都要付给丙65元，每千克苹果多少元？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">30 * (2/3)</gadget>
<output>20</output>

<gadget id="calculator">2 / 20</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">65 * (1/10)</gadget>
<output>13/2 = around 6.5</output>

<result>13/2 = around 6.5</result>