Xiao Ming's room is 4.6 meters long and 3.5 meters wide. Dad wants to lay floor tiles for this room, how many square tiles with an area of 0.7 square meters are needed?
小明的房间长4.6米，宽3.5米．爸爸要给这个房间铺上地砖，用面积是0.7平方米的方砖，需要多少块？
<gadget id="calculator">3.5 / 0.7</gadget>
<output>5</output>

<gadget id="calculator">4.6 * 5</gadget>
<output>23</output>

<result>23</result>