Each bucket of water weighs about 19 kilograms, and 45 buckets of water are delivered every day. How many kilograms of water does he deliver every day?
每桶水约重19千克，每天送45桶水，他每天送多少千克水？
<gadget id="calculator">19 * 45</gadget>
<output>855</output>

<result>855</result>