To celebrate "June 1st", I plan to make some safflowers. Xiao Ming has already made 12, and Xiao Fang has already made 15. What Xiao Fang has done is exactly the planned task (1/3), how many more safflowers can I make?
庆"六一"计划一些做红花，小明已经做了12朵，小芳已经做15朵，小芳做的正好是计划任务的(1/3)，还能做多少朵红花？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 / (1/3)</gadget>
<output>45</output>

<gadget id="calculator">45 - 15 - 12</gadget>
<output>18</output>

<result>18</result>