A box of pears weighs 15 kilograms in total. After eating half the weight of the pears, the box still weighs 8 kilograms. How many kilograms does this box of pears weigh?
1箱梨连箱共重15千克，吃了梨重量的一半后，连箱还重8千克，这个装梨的箱子有多少千克？
<gadget id="calculator">15 - 8</gadget>
<output>7</output>

<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<gadget id="calculator">15 - 14</gadget>
<output>1</output>

<result>1</result>