Mingming's family has a cuboid fish tank with a length of 50 cm and a width of 30 cm, which contains water 30 cm high. When a fish was obviously put into the tank, it was found that the water level rose by 0.5 cm. What is the volume of this fish in cubic centimeters?
明明家有一个长50厘米、宽30厘米的长方体鱼缸，里面装有高30厘米的水．明明往缸内放入一条鱼时，发观水面上升了0.5厘米．这条鱼的体积是多少立方厘米？
<gadget id="calculator">50 * 30 * 0.5</gadget>
<output>750</output>

<result>750</result>