13 students picked apples in the orchard, and each picked 4 baskets, each weighing 25 kilograms. How many kilograms did the students pick in total?
13个同学在果园里摘苹果，每人摘4筐，每筐25千克，同学们一共摘了多少千克？
<gadget id="calculator">4 * 13 * 25</gadget>
<output>1_300</output>

<result>1_300</result>