Add a positive integer to 2013 so that the sum can be divisible by 11 and 13, and the added integer is as small as possible, so what is the added positive integer?
将2013加上一个正整数，使和能被11和13整除，加的整数尽可能小，那么加的正整数是多少．
<gadget id="calculator">11 * 13</gadget>
<output>143</output>

<gadget id="calculator">143 * 15</gadget>
<output>2_145</output>

<gadget id="calculator">2_145 - 2_013</gadget>
<output>132</output>

<result>132</result>