The number A is enlarged by 10 times to be equal to the number B. The sum of A and B is 22. What is the number A?
甲数扩大10倍等于乙数，甲、乙的和是22，则甲数是多少．
<gadget id="calculator">1 + 10</gadget>
<output>11</output>

<gadget id="calculator">22 / 11</gadget>
<output>2</output>

<result>2</result>