<input class="input" name="sum_exchange" id="sum_exchange" type="text" value="1000."><span class="two-00">00</span>
input.input {
outline: none;
border: none;
padding-left: 97px;
width: 48px;
font-size: 20px;
}
.two-00 {
margin-left: -1px;
font-size: 20px;
color: gray;
}
<div class="container">
<div class="item">1</div>
<div class="item">2</div>
<div class="item">3</div>
<div class="item">4</div>
<div class="item">5</div>
<div class="item">6</div>
</div>
.container {
display: flex;
flex-direction: row-reverse;
justify-content: space-between;
background-color: #ff0000;
}
.item {
width: 100px;
height: 100px;
background-color: #00ff00;
display: flex;
justify-content: center;
align-items: center;
}