(3/4) of number A is equal to (4/5) of number B. Number A is 12 more than number B. What is the sum of the two numbers of A and B?
甲数的(3/4)等于乙数的(4/5)，甲数比乙数多12，甲乙两数的和是多少．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

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

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

<gadget id="calculator">(4/5) * (4/3)</gadget>
<output>16/15 = around 1.066667</output>

<gadget id="calculator">(16/15) - 1</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">12 / (1/15)</gadget>
<output>180</output>

<gadget id="calculator">180 + 180 + 12</gadget>
<output>372</output>

<result>372</result>