After a cylinder with a length of 9 decimeters is cut into 5 small cylinders, the surface area increases by 3.2 decimeters squared. It is known that each cubic centimeter weighs 9 grams. How many grams does this cylinder have?
把一根长9分米的圆柱切割成5节小圆柱后，表面积增加3.2平方分米，已知每立方厘米重9克，则这根圆柱原来多少克？
<gadget id="calculator">3.2 / 8</gadget>
<output>0.4</output>

<gadget id="calculator">0.4 * 9 * 1_000 * 9</gadget>
<output>32_400</output>

<result>32_400</result>