Xiao Wang buys a batch of toothbrushes at the wholesale price of 0.8 yuan each, and the retail price of 1 yuan each. When there are still 200 toothbrushes left, Xiao Wang calculates and deducts all the purchase costs of these toothbrushes and has made a profit of 40 yuan. How many toothbrushes did the store come in?
小王按批发价买进一批牙刷，每枝0.8元，零售价每支1元，当还剩下200支没买时，小王计算扣除这批牙刷的所有进货成本已获利40元．商店进来牙刷多少支？
<gadget id="calculator">200 + 40</gadget>
<output>240</output>

<gadget id="calculator">1 - 0.8</gadget>
<output>0.2</output>

<gadget id="calculator">240 / 0.2</gadget>
<output>1_200</output>

<result>1_200</result>