There are two baskets of pears. Box B contains 45 kg of pears. Take out 6.5 kg of pears from box A and put them into box B. Box A contains 3.5 kg more pears than box B. How many kilograms more pears in box A than in box B?
有两筐梨，乙框有45千克梨，从甲筐中取出6.5千克放入乙框，甲框的梨比乙筐还多3.5千克．原来甲框的梨比乙筐多多少千克？
<gadget id="calculator">6.5 * 2</gadget>
<output>13</output>

<gadget id="calculator">13 + 3.5</gadget>
<output>16.5</output>

<result>16.5</result>