If 2x=4, what is the value of 1000x+13
如果2x=4，则1000x+13的值是多少
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">1_000 * 2</gadget>
<output>2_000</output>

<gadget id="calculator">2_000 + 13</gadget>
<output>2_013</output>

<result>2_013</result>