On January 1 this year, Xiao Ming deposited 380 yuan of current savings in the bank, and the monthly interest rate is 0.315%. When depositing for half a year, the total amount of principal and interest can be withdrawn.
小明今年1月1日在银行存了活期储蓄380元，每月的利率是0.315%．存满半年时，可以取出本金和利息一共多少元．
<gadget id="calculator">0.315 / 100</gadget>
<output>0.00315</output>

<gadget id="calculator">380 * 0.00315 * 6</gadget>
<output>7.182</output>

<gadget id="calculator">380 + 7.182</gadget>
<output>387.182</output>

<result>387.182</result>