The students were running on the 400-meter circular track, Xiaopang just ran a lap, 100 meters less than Xiaoya. Ding Ding ran twice as far as Xiaoya, how many meters did Ding Ding run?
同学们在400米的环形跑道上跑步，小胖正好跑了一圈，比小亚少100米．小丁丁跑的路程是小亚的2倍，小丁丁跑了多少米？
<gadget id="calculator">400 + 100</gadget>
<output>500</output>

<gadget id="calculator">500 * 2</gadget>
<output>1_000</output>

<result>1_000</result>