There are 45 kilograms of apples in basket A. After using up (1/5) of basket A and (1/3) of basket B, the remaining apples in the two baskets are the same weight. How many kilograms did basket B have?
甲筐有45千克苹果，甲筐用去(1/5)，乙筐用去(1/3)后两筐剩下的苹果一样重，乙筐原有多少千克？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(4/5) / (2/3)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">45 * (6/5)</gadget>
<output>54</output>

<result>54</result>