The sum of two natural numbers is 286, and the last digit of one of the numbers is 0. If the zero is removed, the resulting number is the same as the other number. What is the product of the original two digits?
两个自然数的和是286，其中一个数的末位数是0，如果把这个零去掉，所得的数与另一个数相同，那么原来两位数的积是多少．
<gadget id="calculator">1 + 0.1</gadget>
<output>1.1</output>

<gadget id="calculator">286 / 1.1</gadget>
<output>260</output>

<gadget id="calculator">260 * 260 * 0.1</gadget>
<output>6_760</output>

<result>6_760</result>