There are two piles of apples, the mass of pile A (2/5) is equal to the mass of pile B (3/4), and pile A contains 45 kg of apples. How many kilograms of apples are there in pile B?
有两堆苹果，甲堆质量的(2/5)和乙堆质量的(3/4)相等，甲堆有苹果45千克．乙堆有苹果多少千克？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(2/5) / (3/4)</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">45 * (8/15)</gadget>
<output>24</output>

<result>24</result>