一个房间的宽是2.3米。?{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/c4\/Convert-Cm-to-M-Step-4-Version-2.jpg\/v4-460px-Convert-Cm-to-M-Step-4-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/c4\/Convert-Cm-to-M-Step-4-Version-2.jpg\/v4-760px-Convert-Cm-to-M-Step-4-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":760,"bigHeight":570}2将数值乘以100。