JSFiddle - React, Tailwind, and code Playground

HTML

<div id="app">
<input type="radio" id="futbolka"  :value="100" v-model="choice">футболка
<input type="radio" id="polo"      :value="200" v-model="choice">поло
<input type="radio" id="hudi"      :value="300" v-model="choice">худи
<input type="radio" id="myika"     :value="400" v-model="choice">майка
<input type="radio" id="sveedshot" :value="500" v-model="choice">свиджоты
<div id='price'>Цена: {{ choice }}</div>

JavaScript

var vm = new Vue({
  el: '#app',
  data: {
    choice: null
  }
})