oose-type">
            <input type="radio" id="addition" name="arithmetic-type" :value="ARITHMETIC_TYPE.ADDITION" v-model="arithmeticType">
            <label for="addition">addition</label>
            <input type="radio" id="subtraction" name="arithmetic-type" :value="ARITHMETIC_TYPE.SUBTRACTION" v-model="arithmeticType">
            <label for="subtraction">subtraction</label>
            <input type="radio" id="multiplication" name="arithmetic-type" :value="ARITHMETIC_TYPE.MULTIPLICATION" v-model="arit