The pencils sold in the store come in two packages. The price of a package of five pencils is 6 yuan, and the price of a package of seven pencils is 7 yuan. A certain school needs to buy at least 111 pencils. How much is the minimum cost?
商店里销售的铅笔有两种包装，五枝包装的每包售价6元，七枝包装的每包售价7元．某校至少要购买铅笔111枝，请问至少要花费多少元？
<gadget id="calculator">16 * 7</gadget>
<output>112</output>

<result>112</result>