The cafeteria bought 15 bags of flour, each bag is 25 kilograms, after eating 169 kilograms, how many kilograms are left?
食堂买来15袋面粉，每袋25千克，吃了169千克后，还剩多少千克？
<gadget id="calculator">25 * 15</gadget>
<output>375</output>

<gadget id="calculator">375 - 169</gadget>
<output>206</output>

<result>206</result>