The stationery store sold 45 boxes of erasers in September, each box costing 8 yuan. It is known that each piece of eraser is 1.5 yuan. How much is the total sales?
文具店九月份卖出45盒橡皮，每盒8块，已知每块橡皮1.5元，一共售得多少元？
<gadget id="calculator">1.5 * 8 * 45</gadget>
<output>540</output>

<result>540</result>