On Children's Day, the teacher prepared more than 70 toffees. If each person divides 3 pieces, it is just finished; if each person divides 5 pieces, it is just finished. Do you know how many toffees there are?
"六一"儿童节时，老师准备了七十多粒奶糖，如果每人分3粒，正好分完；如果每人分5粒，也正好分完．你知道有多少粒奶糖吗？
<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">15 * 5</gadget>
<output>75</output>

<result>75</result>