Xiaoming jumped 204 times in 2 minutes, and Xiaoyu jumped 312 times in 3 minutes. Who can jump faster? How many beats per minute?
小明2分钟跳了204下，小玉3分钟跳了312下．谁跳得快？每分钟快几下？
<gadget id="calculator">312 / 3</gadget>
<output>104</output>

<gadget id="calculator">204 / 2</gadget>
<output>102</output>

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

<result>2</result>