The sum of A and B is 403.7. If the decimal point of B is moved to the right, it is equal to A. What is A?
甲乙两数的和是403.7，乙数的小数点向右移动一位就等于甲数，甲数是多少．
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">403.7 / 11</gadget>
<output>36.7</output>

<gadget id="calculator">403.7 - 36.7</gadget>
<output>367</output>

<result>367</result>