What does 1 Samuel 6:14 mean?

The cart came to a stop in the field of Joshua of Beth Shemesh and stood there. There was a big rock nearby. They chopped up the wood from the cart and sacrificed the cows as a burnt offering to the Lord. 1 Samuel 6:14 - Modern Text Bible

(The people respond with gratitude and worship, using what the Philistines sent to make an offering to God.)