The sum of the two numbers A and B is 71.5. If the decimal point of A is moved to the left by one, it will be equal to the number B. What is the number B.
甲乙两数的和是71.5，把甲数的小数点向左移动一位就与乙数相等．乙数是多少．
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">71.5 / 11</gadget>
<output>6.5</output>

<result>6.5</result>