Xiaoqiang's family paved floor tiles for a room, using rectangular floor tiles with a length of 4 decimeters and a width of 3 decimeters, and 120 tiles were exactly covered. If you use square floor tiles with a side length of 4 decimeters instead, how many pieces are needed?
小强家给一个房间铺地砖，用长4分米、宽3分米的长方形地砖，120块正好铺满．如果改用边长4分米的正方形地砖，需要多少块？
<gadget id="calculator">3 * 4 * 120</gadget>
<output>1_440</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">1_440 / 16</gadget>
<output>90</output>

<result>90</result>