应用: Google Chrome
任务: 通过Google Chrome搜索“What is the acceleration due to gravity?”，保留两位有效数字。然后通过计算器计算2kg的物体在地球表面受到的重力。
操作步骤:
step_id: 0
action: SWIPE
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action: CLICK
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action: CLICK
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action: CLICK
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action: TYPE
type_text: What is the acceleration due to gravity?
step_id: 5
action: CLICK
step_id: 6
action: KEY_HOME
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action: SWIPE
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action: SWIPE
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action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
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action: CLICK
step_id: 15
action: CLICK
step_id: 16
action: CLICK