There are many fruits in the fruit shop. It is known that the money to buy 4 kg of oranges is the same as the money to buy 2 kg of apples. Xiaohong's mother bought 10 kilograms of oranges for 20 yuan, and later she bought 6 kilograms of apples. How much more yuan should she pay?
水果店里有很多水果，已知买4千克橘子的钱与买2千克苹果的钱一样多．小红的妈妈花了20元钱买了10千克橘子，后来她又买了6千克苹果，还要付多少元？
<gadget id="calculator">4 - 2</gadget>
<output>2</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">20 / 5</gadget>
<output>4</output>

<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<result>24</result>