题目

阅读理解I've never been the kind of person to say, “it's the thought that counts” when it comes to gifts. That was until a couple of weeks ago, when my kids gave me a present that blew me away.For years now, I've been wanting to sell our home, the place where my husband and 1 raised our kids. But to me, this house is much more than just a building.In the front room, there's a wall that has hundreds of pencil lines, marking the progress of my children's growth.Every growth stage is marked in grey, with each child's name and the date they were measured. Of all the objects and all the mem已知2m+5n﹣3=0，则4m×32n的值为____