If 1 grapefruit can be exchanged for 3 apples, 2 apples can be exchanged for 8 oranges, how many oranges can be exchanged for 4 grapefruits?
如果1个柚子可以换3个苹果，2个苹果可以换8个桔子，4个柚子可以换多少个桔子．
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 * 8</gadget>
<output>48</output>

<result>48</result>