The school buys 45 boxes of colored chalks, and buys 15 more boxes of white chalks than colored chalks. How many boxes of chalk did you buy in total?
学校买彩色粉笔45盒，买的白粉笔比彩色粉笔多15盒．一共买多少盒粉笔？
<gadget id="calculator">45 + 15 + 45</gadget>
<output>105</output>

<result>105</result>