Hello Tal,
Thank you for contacting us and for using XStore.
Please try to add the next code in Theme Options > Theme custom CSS:
div.quantity>input[type=number], div.quantity>input[type=text][readonly], td.quantity>input[type=number], td.quantity>input[type=text][readonly] {
direction: ltr;
}
Let us know the result.
Kind Regards,
8theme team