My mother bought a basket of pomelo from the wholesale market, which weighed 33.2 kilograms including the box. After eating 22 of them, the box weighed 4.6 kilograms. How much is each grapefruit on average?
妈妈从批发市场买来一筐柚子，连框重33.2千克，吃掉22个后，连框重还有4.6千克，平均每个柚子多少千克？
<gadget id="calculator">33.2 - 4.6</gadget>
<output>28.6</output>

<gadget id="calculator">28.6 / 22</gadget>
<output>1.3</output>

<result>1.3</result>