Xiaofang bought a children's toothpaste with a net content of 140g. She brushed her teeth in the morning and evening, and used an average of 1.25g of toothpaste. Do you know how many days this toothpaste Xiaofang can be used?
小芳买了一支净含量140g的儿童牙膏，她早晚各刷一次牙，刷一次平均用牙膏1.25g．你知道这支牙膏小芳可以用多少天吗？
<gadget id="calculator">1.25 * 2</gadget>
<output>2.5</output>

<gadget id="calculator">140 / 2.5</gadget>
<output>56</output>

<result>56</result>