Question: How many total itv viewers were there for the episode with official itv hd ratings of 1.12 million?
Schema: create table table_27319183_7 (total_itv_viewers__millions_ varchar, official_itv_hd_rating__millions_ varchar, PRIMARY KEY (total_itv_viewers__millions_))
SQL: select total_itv_viewers__millions_ from table_27319183_7 where official_itv_hd_rating__millions_ = "1.12"