The number A is 6.2, and the number B is 3 times more than twice the number A. What is the sum of the two numbers?
甲数是6.2，乙数比甲数的2倍多3，两数的和是多少？
<gadget id="calculator">6.2 * 2</gadget>
<output>12.4</output>

<gadget id="calculator">12.4 + 3 + 6.2</gadget>
<output>21.6</output>

<result>21.6</result>