Xiaohong and Xiaohua had a rope skipping competition. Xiaohong jumped 612 times in 6 minutes, and Xiaohua jumped 520 times in 5 minutes. Who could jump faster? How much faster?
小红和小华跳绳比赛，小红6分钟跳612下，小华5分钟跳520下，谁跳得快些？快多少？
<gadget id="calculator">520 / 5</gadget>
<output>104</output>

<gadget id="calculator">612 / 6</gadget>
<output>102</output>

<gadget id="calculator">104 - 102</gadget>
<output>2</output>

<result>2</result>