The school buys prizes for outstanding athletes. I bought 6 boxes of pens, each containing 10 pens, and the price of each pen is 5 yuan. How much will it cost in total?
学校给优秀运动员买奖品．买了6盒钢笔，每盒装10支，每支钢笔的价钱是5元．一共要用多少元？
<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">5 * 60</gadget>
<output>300</output>

<result>300</result>