The price of a flower in the flower shop is 20 yuan, 715 flowers are sold in a day, and 405 flowers are sold in the morning. How much less is the sale in the afternoon than in the morning?
鲜花店一朵鲜花售价20元，一天卖出715朵鲜花，上午卖出405朵．下午比上午少卖多少元？
<gadget id="calculator">715 - 405</gadget>
<output>310</output>

<gadget id="calculator">405 - 310</gadget>
<output>95</output>

<gadget id="calculator">95 * 20</gadget>
<output>1_900</output>

<result>1_900</result>