When Xiaoyue was doing a multiplication, she mistook one of the factors of 280 as 28, and the result was 364. What should be the original result?
小月在做一道乘法时，把其中一个因数280错看成28，结果为364，原来的结果应该是多少．
<gadget id="calculator">364 / 28</gadget>
<output>13</output>

<gadget id="calculator">13 * 280</gadget>
<output>3_640</output>

<result>3_640</result>