The greatest common divisor of two numbers A and B is 847, and their two divisors are only 7 and 11. A has 12 divisors, and B has 10 divisors, (including 1 and itself), ask A+ What is B equal to?
A和B两个数的最大公约数为847，它们两个约数只有7和11，A有12个约数，B有10个约数，(包括1和它本身在内)，问A+B等于几？
<gadget id="calculator">7 * 7</gadget>
<output>49</output>

<gadget id="calculator">11 * 11</gadget>
<output>121</output>

<gadget id="calculator">49 + 121</gadget>
<output>170</output>

<gadget id="calculator">7 * 11 * 11 * 170</gadget>
<output>143_990</output>

<result>143_990</result>