If a figure with a length of 40 cm and a width of 30 cm is reduced to a ratio of 1:5, what is the area of the reduced figure in square centimeters?
把一幅长40厘米、宽30厘米的图形按1：5的比例缩小，缩小后的图形面积是多少平方厘米．
<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<gadget id="calculator">30 / 5</gadget>
<output>6</output>

<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<result>48</result>