jīn é zàn shí suàn bù qīng yě kě yǐ shuō nǐ suàn hǎo fā wǒ wǒ mǎ shàng zhuǎn

金额暂时算不清，也可以说“你算好发我，我马上转”。

If you can't figure out the amount for now, you can also say, 'Calculate it and send it to me, I'll transfer right away.'