There are only three types of coins in a certain country: 3 cents, 5 cents and 7 cents. When Xiao Ming buys a pencil in this country, no matter he pays with all the 3-cent coins, all the 5-cent coins or all the 7-cent coins in his hand, the salesperson will give Xiao Ming exactly the face value of the coins he paid. A different coin. It is known that Xiao Ming has a total of 76 coins, so how much is the price of this pencil?
某个国家的硬币只有3分、5分和7分这3种．小明在该国购买一支铅笔时，无论他用手中所有的3分硬币，所有的5分硬币或是所有的7分硬币中的哪种去支付，售货员都会恰好找给小明与其所付硬币面值不同的另一枚硬币．已知小明一共有76枚硬币，那么这支铅笔的价格是多少分？
<gadget id="calculator">3 * 38</gadget>
<output>114</output>

<gadget id="calculator">114 - 7</gadget>
<output>107</output>

<result>107</result>