Ayuda con 4 DIV en uno

[OmarV]

.anun1{
border: 2px solid #0d0d0d;
float: left;
margin-left:2px;
margin-top:2px;
width: 264px;
height: 150px;
background-color:#0d0d0d;
}
.anun1_img{
display:table-cell;
border: 0px solid #fff;
float: left;
margin-left:0px;
margin-top:0px;
width: 100px; // 100 + 10 = 110
height: 130px;
padding-left:10px;
padding-top:5px;
vertical-align:middle;
}
.anun1_det{
border: 0px solid #fff;
float: left;
margin-left:0px;
margin-top:0px;
width: 160px;
height: 130px;
text-align:left;
font-family:Arial, Helvetica, sans-serif;
font-size:12px;
color:#cccccc;
}

160 + 110 =270 Aumentale al width de anun1 (;