The ostrich runs 198 kilometers in 2 hours, and the horse runs 126 kilometers in 3 hours. Who runs faster? How much faster?
鸵鸟2小时跑198千米，马3小时跑126千米，谁跑的快？快多少？
<gadget id="calculator">198 / 2</gadget>
<output>99</output>

<gadget id="calculator">126 / 3</gadget>
<output>42</output>

<gadget id="calculator">99 - 42</gadget>
<output>57</output>

<result>57</result>