Add an integer to 1996 so that the sum can be divisible by 23 and 19, and the added integer should be as small as possible, so what is the added integer?
将1996加一个整数，使和能被23与19整除，加的整数要尽可能小，那么所加的整数是多少．
<gadget id="calculator">23 * 19</gadget>
<output>437</output>

<gadget id="calculator">437 * 5</gadget>
<output>2_185</output>

<gadget id="calculator">2_185 - 1_996</gadget>
<output>189</output>

<result>189</result>