The school buys 100 boxes of white chalk and colored chalk each. The price of white chalk is 1.64 yuan per box, and the price of colored chalk is 2.36 yuan per box. How much more does it cost to buy colored chalk than white chalk?
学校购买白色粉笔和彩色粉笔各100盒，白色粉笔的价钱是每盒1.64元，彩色粉笔的价钱是每盒2.36元，买彩色粉笔比白色粉笔多花多少钱？
<gadget id="calculator">2.36 * 100</gadget>
<output>236</output>

<gadget id="calculator">1.64 * 100</gadget>
<output>164</output>

<gadget id="calculator">236 - 164</gadget>
<output>72</output>

<result>72</result>