There are 9 baskets of apples. If 12 kilograms of apples are taken from each basket, the weight of the remaining apples is equivalent to the weight of the original 3 baskets. How much does each basket weigh in kilograms?
有9筐苹果，如果从每筐里取出12千克苹果，那么剩下苹果的重量相当于原来3筐苹果的重量｡原来每筐苹果重多少千克？
<gadget id="calculator">9 - 3</gadget>
<output>6</output>

<gadget id="calculator">9 / 6</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">12 * (3/2)</gadget>
<output>18</output>

<result>18</result>