A microwave oven, marked on the product book: 400*300*125 (unit: mm). What is the volume of this microwave oven in liters?
一种微波炉，产品书上标注：400*300*125(单位：毫米)．这个微波炉的容积是多少升．
<gadget id="calculator">125 / 1_000_000</gadget>
<output>1/8_000 = around 0.000125</output>

<gadget id="calculator">400 * 300 * (1/8_000)</gadget>
<output>15</output>

<result>15</result>