$$4(2+6)+4-3(9-7^{\prime\prime}$$
$30$
$$4\times 8+4-3\left(9-7\right)$$
$$32+4-3\left(9-7\right)$$
$$36-3\left(9-7\right)$$
$$36-3\times 2$$
$$36-6$$
$$30$$
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$2\times 3\times 5$
