A rectangular radish field is 16 meters long and 6 meters wide. A total of 1440 kg of radishes were collected. How many kilograms per square meter on average?
一块长方形的萝卜地，长16米，宽6米．一共收萝卜1440千克．平均每平方米收多少千克？
<gadget id="calculator">16 * 6</gadget>
<output>96</output>

<gadget id="calculator">1_440 / 96</gadget>
<output>15</output>

<result>15</result>