Calculate the time necessary to perform a multiply using the approach given in Figure 3.7 if an integer is 16 bits wide and an adder takes 4 time units. 32bits 32 bits 32 bits 32 bits 32 bits 32 bits 32 bits FIGURE 3.7 Fast matmeleation hardware. Rather than mei* J2bit abler 31 times, thi, hardware-m ?? lders and then ongonines them to minimise delay war 31