There are 15 tons of sand in a pile, and 3,000 kilograms are transported each time. How many times will it take to transport it all?
一堆沙有15吨，每次运走3000千克，要多少次才能运完？
<gadget id="calculator">15 * 1_000</gadget>
<output>15_000</output>

<gadget id="calculator">15_000 / 3_000</gadget>
<output>5</output>

<result>5</result>