A steel plate is 100cm long, 40cm wide, and 2cm thick, and weighs 7.8g per cubic centimeter. How many grams does this steel plate weigh in total?
有一块钢板长100cm、宽40cm、厚2cm，每立方厘米钢板重7.8g，这块钢板共重多少g？
<gadget id="calculator">100 * 40 * 2 * 7.8</gadget>
<output>62_400</output>

<result>62_400</result>