TextInputLayout и TextInputEditText выровнять текст и prefix

Как выровнять prefix и текст?

<com.google.android.material.textfield.TextInputLayout
        android:id="@+id/tILLogin"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="@dimen/space_medium"
        android:layout_weight="6"
        android:textColorHint="@color/white"
        app:boxStrokeColor="@color/white"
        app:boxStrokeWidth="2dp"
        app:endIconMode="clear_text"
        app:endIconTint="@color/white"
        app:hintTextColor="@color/white"
        app:layout_constraintStart_toStartOf="@+id/textViewTitle"
        app:layout_constraintTop_toBottomOf="@+id/textViewTitle"
        app:prefixText="@string/seven"
        app:prefixTextColor="@color/white"
        app:startIconDrawable="@drawable/ic_phone"
        app:startIconTint="@color/white">

        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/text_input_edit_text_phone_number"
            style="@style/EditTextThemeOverlay"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="3457235473"
            android:hint="@string/phone_number"
            android:inputType="phone"
            android:maxLength="10" />
    </com.google.android.material.textfield.TextInputLayout>