Mom wants to fill the rice bucket with rice, and Ding Ding and Xiang Xiang come to help. Ding Ding: I measured it from the outside. The length, width and height of the rice bucket are 80cm, 50cm and 72cm respectively. Xiangxiang: I measured it from the inside of the rice bucket. The length, width and height are 75cm, 45cm and 70cm respectively. Which of them do you think is right? Calculate how many cubic decimeters a rice bucket can hold?
妈妈要往米桶里装米，丁丁和香香来帮忙．丁丁：我是从外部测量的，米桶的长、宽、高分别是80cm、50cm、72cm．香香：我是从米桶的里面测量的，长、宽、高分别是75cm、45cm、70cm．你认为他们谁说得对？算一算米桶能装米多少立方分米？
<gadget id="calculator">70 / 1_000</gadget>
<output>7/100 = around 0.07</output>

<gadget id="calculator">75 * 45 * (7/100)</gadget>
<output>945/4 = around 236.25</output>

<result>945/4 = around 236.25</result>