应用: 计算器
任务: 打开计算器应用，进入单位换算界面，选择体重，输入‘90kg’
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: CLICK