cuboid iron block has a base area of 50 square centimeters and a height of 4 cm. The weight of iron per cubic centimeter is 7.8 grams. How many grams does this iron block weigh?
一块长方体铁块，底面积50平方厘米，高4厘米，每立方厘米铁重7.8克，这个铁块重多少克？
<gadget id="calculator">50 * 4 * 7.8</gadget>
<output>1_560</output>

<result>1_560</result>