A cuboid iron block and a conical iron block have the same base and height, the conical iron block weighs 100 grams, how many grams does the rectangular iron block weigh?
一个长方体铁块和一个圆锥形铁块等底等高，圆锥形铁块重100克，长方形铁块重多少克．
<gadget id="calculator">100 * 3</gadget>
<output>300</output>

<result>300</result>