The number A is a, which is 10% smaller than the number B, then what is the number B?
甲数是a，比乙数小10%，那么乙数是多少．
<gadget id="calculator">10 / 9</gadget>
<output>10/9 = around 1.111111</output>

<result>10/9 = around 1.111111</result>