In a square 4 decimeters long and 3 decimeters wide, how many small squares with sides 1 decimeter can be placed?
在长4分米，宽3分米的正方形中，一共可以摆多少个边长为1分米的小正方形．
<gadget id="calculator">3 / 1</gadget>
<output>3</output>

<gadget id="calculator">4 / 1</gadget>
<output>4</output>

<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<result>12</result>