A and B each have a certain amount of money. It is known that A’s money is 4 times that of B’s. After A spends (1/3), he spends the remaining (1/3). B has 7 yuan, and A and B have exactly the same amount of money. How much money did A have?
甲、乙两人各有钱若干元，已知甲的钱数是乙的4倍，当甲花去(1/3)后，又花去余下的(1/3)，如果这时甲给乙7元钱，甲、乙两人的钱数正好相等．甲原来有多少元钱．
<gadget id="calculator">7 + 7</gadget>
<output>14</output>

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

<gadget id="calculator">4 * (1/3) * (1/3)</gadget>
<output>4/9 = around 0.444444</output>

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

<gadget id="calculator">(4/9) - (4/3) - (4/3) - 1</gadget>
<output>-29/9 = around -3.222222</output>

<gadget id="calculator">4 + (-29/9)</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">14 / (7/9)</gadget>
<output>18</output>

<gadget id="calculator">4 * 18</gadget>
<output>72</output>

<result>72</result>