The living room of Zhao Wei's house is 6 meters long and 4.8 meters wide. It is planned to lay square bricks on the ground, and it is required to use whole blocks of square bricks, and they should be exactly covered. What is the side length of the square brick
赵伟家的客厅长6米，宽4.8米．计划在地面上铺方砖，要求都用整块的方砖，且恰好铺满．方砖的边长可以是多少厘米
<result>60</result>