Ma Peng and Li Hu calculated the product of two natural numbers greater than 1, A and B. Ma Peng misunderstood the single digit of A, and the product was 473; Li Hu misread the tens digit of A, and the product was 407. ． What is the product of the numbers A and B?
马鹏和李虎计算甲、乙两个大于1的自然数的乘积，马鹏把甲数的个位数字看错了，乘积473；李虎把甲数的十位数字看错了，得乘积407．那么甲、乙两数的乘积应是多少．
<gadget id="calculator">11 * 47</gadget>
<output>517</output>

<result>517</result>