There are two piles of cement, pile A has 4.5 tons, it is known that one-third of the weight of pile A is equal to one-fourth of the weight of pile B. How many tons of cement is there in Pile B?
有两堆水泥，甲堆有4.5吨，已知甲堆重量的三分之一和乙堆重量的四分之一相等．乙堆有水泥多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/3) / (1/4)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">4.5 * (4/3)</gadget>
<output>6</output>

<result>6</result>