Column solution: The number A is 3 times the number B, and the number A is 8 greater than the number B. What is the number A?
列式解答：甲数是乙数的3倍，甲数比乙数大8，甲数是多少？
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<result>12</result>