统计
{{(timing/1000).toFixed(2)}}
{{cur_index+1}}/{{amount}}
{{questions[cur_index].a}} {{type.charAt(1)}} {{questions[cur_index].b}} = {{input_number}}
{{item}}
结果
{{item.a}} {{type.charAt(1)}} {{item.b}} = {{item.c}} 输入：{{item.input_number}} {{item.status}} {{item.time_consuming}}s